991887780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{127}}^1$

素因数の和:219

約数の個数: 384

約数和(自身を含む): 3468165120

約数和(自身を除く): 2476277340

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 17, 19, 20, 26, 30, 31, 34, 38, 39, 51, 52, 57, 60, 62, 65, 68, 76, 78, 85, 93, 95, 102, 114, 124, 127, 130, 155, 156, 170, 186, 190, 195, 204, 221, 228, 247, 254, 255, 260, 285, 310, 323, 340, 372, 380, 381, 390, 403, 442, 465, 494, 508, 510, 527, 570, 589, 620, 635, 646, 663, 741, 762, 780, 806, 884, 930, 969, 988, 1020, 1054, 1105, 1140, 1178, 1209, 1235, 1270, 1292, 1326, 1482, 1524, 1581, 1612, 1615, 1651, 1767, 1860, 1905, 1938, 2015, 2108, 2159, 2210, 2356, 2413, 2418, 2470, 2540, 2635, 2652, 2945, 2964, 3162, 3230, 3302, 3315, 3534, 3705, 3810, 3876, 3937, 4030, 4199, 4318, 4420, 4826, 4836, 4845, 4940, 4953, 5270, 5890, 6045, 6324, 6460, 6477, 6604, 6630, 6851, 7068, 7239, 7410, 7620, 7657, 7874, 7905, 8060, 8255, 8398, 8636, 8835, 9652, 9690, 9906, 10013, 10540, 10795, 11780, 11811, 12065, 12090, 12597, 12954, 13260, 13702, 14478, 14820, 15314, 15748, 15810, 16510, 16796, 17670, 19380, 19685, 19812, 20026, 20553, 20995, 21590, 22971, 23622, 24130, 24180, 24765, 25194, 25908, 27404, 28067, 28956, 30039, 30628, 31369, 31620, 32385, 33020, 34255, 35340, 36195, 38285, 39370, 40052, 41021, 41106, 41990, 43180, 45942, 47244, 48260, 49530, 50065, 50388, 51181, 56134, 59055, 60078, 62738, 62985, 64770, 66929, 68510, 72390, 74803, 76570, 78740, 82042, 82212, 83980, 84201, 91884, 94107, 99060, 100130, 102362, 102765, 112268, 114855, 118110, 120156, 123063, 125476, 125970, 129540, 130169, 133858, 137020, 140335, 144780, 149606, 150195, 153140, 153543, 156845, 164084, 168402, 188214, 200260, 200787, 204724, 205105, 205530, 224409, 229710, 236220, 246126, 251940, 255905, 260338, 267716, 280670, 299212, 300390, 307086, 313690, 334645, 336804, 374015, 376428, 390507, 401574, 410210, 411060, 421005, 448818, 459420, 470535, 492252, 511810, 520676, 533273, 561340, 600780, 614172, 615315, 627380, 650845, 669290, 748030, 767715, 781014, 803148, 820420, 842010, 870077, 897636, 941070, 972439, 1003935, 1023620, 1066546, 1122045, 1230630, 1271651, 1301690, 1338580, 1496060, 1535430, 1562028, 1599819, 1684020, 1740154, 1882140, 1944878, 1952535, 2007870, 2133092, 2244090, 2461260, 2543302, 2603380, 2610231, 2666365, 2917317, 3070860, 3199638, 3480308, 3814953, 3889756, 3905070, 4015740, 4350385, 4488180, 4862195, 5086604, 5220462, 5332730, 5834634, 6358255, 6399276, 7629906, 7810140, 7999095, 8700770, 9724390, 10440924, 10665460, 11669268, 12716510, 13051155, 14586585, 15259812, 15998190, 16531463, 17401540, 19074765, 19448780, 25433020, 26102310, 29173170, 31996380, 33062926, 38149530, 49594389, 52204620, 58346340, 66125852, 76299060, 82657315, 99188778, 165314630, 198377556, 247971945, 330629260, 495943890, 991887780]

約数ペア:

[(1, 991887780), (2, 495943890), (3, 330629260), (4, 247971945), (5, 198377556), (6, 165314630), (10, 99188778), (12, 82657315), (13, 76299060), (15, 66125852), (17, 58346340), (19, 52204620), (20, 49594389), (26, 38149530), (30, 33062926), (31, 31996380), (34, 29173170), (38, 26102310), (39, 25433020), (51, 19448780), (52, 19074765), (57, 17401540), (60, 16531463), (62, 15998190), (65, 15259812), (68, 14586585), (76, 13051155), (78, 12716510), (85, 11669268), (93, 10665460), (95, 10440924), (102, 9724390), (114, 8700770), (124, 7999095), (127, 7810140), (130, 7629906), (155, 6399276), (156, 6358255), (170, 5834634), (186, 5332730), (190, 5220462), (195, 5086604), (204, 4862195), (221, 4488180), (228, 4350385), (247, 4015740), (254, 3905070), (255, 3889756), (260, 3814953), (285, 3480308), (310, 3199638), (323, 3070860), (340, 2917317), (372, 2666365), (380, 2610231), (381, 2603380), (390, 2543302), (403, 2461260), (442, 2244090), (465, 2133092), (494, 2007870), (508, 1952535), (510, 1944878), (527, 1882140), (570, 1740154), (589, 1684020), (620, 1599819), (635, 1562028), (646, 1535430), (663, 1496060), (741, 1338580), (762, 1301690), (780, 1271651), (806, 1230630), (884, 1122045), (930, 1066546), (969, 1023620), (988, 1003935), (1020, 972439), (1054, 941070), (1105, 897636), (1140, 870077), (1178, 842010), (1209, 820420), (1235, 803148), (1270, 781014), (1292, 767715), (1326, 748030), (1482, 669290), (1524, 650845), (1581, 627380), (1612, 615315), (1615, 614172), (1651, 600780), (1767, 561340), (1860, 533273), (1905, 520676), (1938, 511810), (2015, 492252), (2108, 470535), (2159, 459420), (2210, 448818), (2356, 421005), (2413, 411060), (2418, 410210), (2470, 401574), (2540, 390507), (2635, 376428), (2652, 374015), (2945, 336804), (2964, 334645), (3162, 313690), (3230, 307086), (3302, 300390), (3315, 299212), (3534, 280670), (3705, 267716), (3810, 260338), (3876, 255905), (3937, 251940), (4030, 246126), (4199, 236220), (4318, 229710), (4420, 224409), (4826, 205530), (4836, 205105), (4845, 204724), (4940, 200787), (4953, 200260), (5270, 188214), (5890, 168402), (6045, 164084), (6324, 156845), (6460, 153543), (6477, 153140), (6604, 150195), (6630, 149606), (6851, 144780), (7068, 140335), (7239, 137020), (7410, 133858), (7620, 130169), (7657, 129540), (7874, 125970), (7905, 125476), (8060, 123063), (8255, 120156), (8398, 118110), (8636, 114855), (8835, 112268), (9652, 102765), (9690, 102362), (9906, 100130), (10013, 99060), (10540, 94107), (10795, 91884), (11780, 84201), (11811, 83980), (12065, 82212), (12090, 82042), (12597, 78740), (12954, 76570), (13260, 74803), (13702, 72390), (14478, 68510), (14820, 66929), (15314, 64770), (15748, 62985), (15810, 62738), (16510, 60078), (16796, 59055), (17670, 56134), (19380, 51181), (19685, 50388), (19812, 50065), (20026, 49530), (20553, 48260), (20995, 47244), (21590, 45942), (22971, 43180), (23622, 41990), (24130, 41106), (24180, 41021), (24765, 40052), (25194, 39370), (25908, 38285), (27404, 36195), (28067, 35340), (28956, 34255), (30039, 33020), (30628, 32385), (31369, 31620)]