1388683440

素因数分解:

$2^4\times 3^4\times 5^1\times {\mathrm{31}}^2\times {\mathrm{223}}^1$

素因数の和:310

約数の個数: 300

約数和(自身を含む): 5006054592

約数和(自身を除く): 3617371152

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 31, 36, 40, 45, 48, 54, 60, 62, 72, 80, 81, 90, 93, 108, 120, 124, 135, 144, 155, 162, 180, 186, 216, 223, 240, 248, 270, 279, 310, 324, 360, 372, 405, 432, 446, 465, 496, 540, 558, 620, 648, 669, 720, 744, 810, 837, 892, 930, 961, 1080, 1115, 1116, 1240, 1296, 1338, 1395, 1488, 1620, 1674, 1784, 1860, 1922, 2007, 2160, 2230, 2232, 2480, 2511, 2676, 2790, 2883, 3240, 3345, 3348, 3568, 3720, 3844, 4014, 4185, 4460, 4464, 4805, 5022, 5352, 5580, 5766, 6021, 6480, 6690, 6696, 6913, 7440, 7688, 8028, 8370, 8649, 8920, 9610, 10035, 10044, 10704, 11160, 11532, 12042, 12555, 13380, 13392, 13826, 14415, 15376, 16056, 16740, 17298, 17840, 18063, 19220, 20070, 20088, 20739, 22320, 23064, 24084, 25110, 25947, 26760, 27652, 28830, 30105, 32112, 33480, 34565, 34596, 36126, 38440, 40140, 40176, 41478, 43245, 46128, 48168, 50220, 51894, 53520, 55304, 57660, 60210, 62217, 66960, 69130, 69192, 72252, 76880, 77841, 80280, 82956, 86490, 90315, 96336, 100440, 103695, 103788, 110608, 115320, 120420, 124434, 129735, 138260, 138384, 144504, 155682, 160560, 165912, 172980, 180630, 186651, 200880, 207390, 207576, 214303, 230640, 240840, 248868, 259470, 276520, 289008, 311085, 311364, 331824, 345960, 361260, 373302, 389205, 414780, 415152, 428606, 481680, 497736, 518940, 553040, 559953, 622170, 622728, 642909, 691920, 722520, 746604, 778410, 829560, 857212, 933255, 995472, 1037880, 1071515, 1119906, 1244340, 1245456, 1285818, 1445040, 1493208, 1556820, 1659120, 1714424, 1866510, 1928727, 2075760, 2143030, 2239812, 2488680, 2571636, 2799765, 2986416, 3113640, 3214545, 3428848, 3733020, 3857454, 4286060, 4479624, 4977360, 5143272, 5599530, 5786181, 6227280, 6429090, 7466040, 7714908, 8572120, 8959248, 9643635, 10286544, 11199060, 11572362, 12858180, 14932080, 15429816, 17144240, 17358543, 19287270, 22398120, 23144724, 25716360, 28930905, 30859632, 34717086, 38574540, 44796240, 46289448, 51432720, 57861810, 69434172, 77149080, 86792715, 92578896, 115723620, 138868344, 154298160, 173585430, 231447240, 277736688, 347170860, 462894480, 694341720, 1388683440]

約数ペア:

[(1, 1388683440), (2, 694341720), (3, 462894480), (4, 347170860), (5, 277736688), (6, 231447240), (8, 173585430), (9, 154298160), (10, 138868344), (12, 115723620), (15, 92578896), (16, 86792715), (18, 77149080), (20, 69434172), (24, 57861810), (27, 51432720), (30, 46289448), (31, 44796240), (36, 38574540), (40, 34717086), (45, 30859632), (48, 28930905), (54, 25716360), (60, 23144724), (62, 22398120), (72, 19287270), (80, 17358543), (81, 17144240), (90, 15429816), (93, 14932080), (108, 12858180), (120, 11572362), (124, 11199060), (135, 10286544), (144, 9643635), (155, 8959248), (162, 8572120), (180, 7714908), (186, 7466040), (216, 6429090), (223, 6227280), (240, 5786181), (248, 5599530), (270, 5143272), (279, 4977360), (310, 4479624), (324, 4286060), (360, 3857454), (372, 3733020), (405, 3428848), (432, 3214545), (446, 3113640), (465, 2986416), (496, 2799765), (540, 2571636), (558, 2488680), (620, 2239812), (648, 2143030), (669, 2075760), (720, 1928727), (744, 1866510), (810, 1714424), (837, 1659120), (892, 1556820), (930, 1493208), (961, 1445040), (1080, 1285818), (1115, 1245456), (1116, 1244340), (1240, 1119906), (1296, 1071515), (1338, 1037880), (1395, 995472), (1488, 933255), (1620, 857212), (1674, 829560), (1784, 778410), (1860, 746604), (1922, 722520), (2007, 691920), (2160, 642909), (2230, 622728), (2232, 622170), (2480, 559953), (2511, 553040), (2676, 518940), (2790, 497736), (2883, 481680), (3240, 428606), (3345, 415152), (3348, 414780), (3568, 389205), (3720, 373302), (3844, 361260), (4014, 345960), (4185, 331824), (4460, 311364), (4464, 311085), (4805, 289008), (5022, 276520), (5352, 259470), (5580, 248868), (5766, 240840), (6021, 230640), (6480, 214303), (6690, 207576), (6696, 207390), (6913, 200880), (7440, 186651), (7688, 180630), (8028, 172980), (8370, 165912), (8649, 160560), (8920, 155682), (9610, 144504), (10035, 138384), (10044, 138260), (10704, 129735), (11160, 124434), (11532, 120420), (12042, 115320), (12555, 110608), (13380, 103788), (13392, 103695), (13826, 100440), (14415, 96336), (15376, 90315), (16056, 86490), (16740, 82956), (17298, 80280), (17840, 77841), (18063, 76880), (19220, 72252), (20070, 69192), (20088, 69130), (20739, 66960), (22320, 62217), (23064, 60210), (24084, 57660), (25110, 55304), (25947, 53520), (26760, 51894), (27652, 50220), (28830, 48168), (30105, 46128), (32112, 43245), (33480, 41478), (34565, 40176), (34596, 40140), (36126, 38440)]