81896496880

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^2\times {\mathrm{113}}^1\times {\mathrm{857}}^1$

素因数の和:1056

約数の個数: 240

約数和(自身を含む): 216788169312

約数和(自身を除く): 134891672432

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 31, 40, 44, 55, 62, 80, 88, 110, 113, 124, 155, 176, 220, 226, 248, 310, 341, 440, 452, 496, 565, 620, 682, 857, 880, 904, 961, 1130, 1240, 1243, 1364, 1705, 1714, 1808, 1922, 2260, 2480, 2486, 2728, 3410, 3428, 3503, 3844, 4285, 4520, 4805, 4972, 5456, 6215, 6820, 6856, 7006, 7688, 8570, 9040, 9427, 9610, 9944, 10571, 12430, 13640, 13712, 14012, 15376, 17140, 17515, 18854, 19220, 19888, 21142, 24860, 26567, 27280, 28024, 34280, 35030, 37708, 38440, 38533, 42284, 47135, 49720, 52855, 53134, 56048, 68560, 70060, 75416, 76880, 77066, 84568, 94270, 96841, 99440, 105710, 106268, 108593, 132835, 140120, 150832, 154132, 169136, 188540, 192665, 193682, 211420, 212536, 217186, 265670, 280240, 292237, 308264, 377080, 385330, 387364, 422840, 425072, 434372, 484205, 531340, 542965, 584474, 616528, 754160, 770660, 774728, 823577, 845680, 868744, 968410, 1062680, 1065251, 1085930, 1168948, 1194523, 1461185, 1541320, 1549456, 1647154, 1737488, 1936820, 2125360, 2130502, 2171860, 2337896, 2389046, 2922370, 3002071, 3082640, 3294308, 3873640, 4117885, 4261004, 4343720, 4675792, 4778092, 5326255, 5844740, 5972615, 6004142, 6588616, 7747280, 8235770, 8522008, 8687440, 9059347, 9556184, 10652510, 11689480, 11945230, 12008284, 13177232, 15010355, 16471540, 17044016, 18118694, 19112368, 21305020, 23378960, 23890460, 24016568, 30020710, 32943080, 33022781, 36237388, 42610040, 45296735, 47780920, 48033136, 60041420, 65886160, 66045562, 72474776, 85220080, 90593470, 93064201, 95561840, 120082840, 132091124, 144949552, 165113905, 181186940, 186128402, 240165680, 264182248, 330227810, 362373880, 372256804, 465321005, 528364496, 660455620, 724747760, 744513608, 930642010, 1023706211, 1320911240, 1489027216, 1861284020, 2047412422, 2641822480, 3722568040, 4094824844, 5118531055, 7445136080, 8189649688, 10237062110, 16379299376, 20474124220, 40948248440, 81896496880]

約数ペア:

[(1, 81896496880), (2, 40948248440), (4, 20474124220), (5, 16379299376), (8, 10237062110), (10, 8189649688), (11, 7445136080), (16, 5118531055), (20, 4094824844), (22, 3722568040), (31, 2641822480), (40, 2047412422), (44, 1861284020), (55, 1489027216), (62, 1320911240), (80, 1023706211), (88, 930642010), (110, 744513608), (113, 724747760), (124, 660455620), (155, 528364496), (176, 465321005), (220, 372256804), (226, 362373880), (248, 330227810), (310, 264182248), (341, 240165680), (440, 186128402), (452, 181186940), (496, 165113905), (565, 144949552), (620, 132091124), (682, 120082840), (857, 95561840), (880, 93064201), (904, 90593470), (961, 85220080), (1130, 72474776), (1240, 66045562), (1243, 65886160), (1364, 60041420), (1705, 48033136), (1714, 47780920), (1808, 45296735), (1922, 42610040), (2260, 36237388), (2480, 33022781), (2486, 32943080), (2728, 30020710), (3410, 24016568), (3428, 23890460), (3503, 23378960), (3844, 21305020), (4285, 19112368), (4520, 18118694), (4805, 17044016), (4972, 16471540), (5456, 15010355), (6215, 13177232), (6820, 12008284), (6856, 11945230), (7006, 11689480), (7688, 10652510), (8570, 9556184), (9040, 9059347), (9427, 8687440), (9610, 8522008), (9944, 8235770), (10571, 7747280), (12430, 6588616), (13640, 6004142), (13712, 5972615), (14012, 5844740), (15376, 5326255), (17140, 4778092), (17515, 4675792), (18854, 4343720), (19220, 4261004), (19888, 4117885), (21142, 3873640), (24860, 3294308), (26567, 3082640), (27280, 3002071), (28024, 2922370), (34280, 2389046), (35030, 2337896), (37708, 2171860), (38440, 2130502), (38533, 2125360), (42284, 1936820), (47135, 1737488), (49720, 1647154), (52855, 1549456), (53134, 1541320), (56048, 1461185), (68560, 1194523), (70060, 1168948), (75416, 1085930), (76880, 1065251), (77066, 1062680), (84568, 968410), (94270, 868744), (96841, 845680), (99440, 823577), (105710, 774728), (106268, 770660), (108593, 754160), (132835, 616528), (140120, 584474), (150832, 542965), (154132, 531340), (169136, 484205), (188540, 434372), (192665, 425072), (193682, 422840), (211420, 387364), (212536, 385330), (217186, 377080), (265670, 308264), (280240, 292237)]