64751515120

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{2657}}^1\times {\mathrm{16033}}^1$

素因数の和:18722

約数の個数: 80

約数和(自身を含む): 158540343840

約数和(自身を除く): 93788828720

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 2657, 5314, 10628, 13285, 16033, 21256, 26570, 32066, 42512, 50483, 53140, 64132, 80165, 100966, 106280, 128264, 160330, 201932, 212560, 252415, 256528, 304627, 320660, 403864, 504830, 609254, 641320, 807728, 1009660, 1218508, 1282640, 1523135, 2019320, 2437016, 3046270, 4038640, 4874032, 6092540, 12185080, 24370160, 42599681, 85199362, 170398724, 212998405, 340797448, 425996810, 681594896, 809393939, 851993620, 1618787878, 1703987240, 3237575756, 3407974480, 4046969695, 6475151512, 8093939390, 12950303024, 16187878780, 32375757560, 64751515120]

約数ペア:

[(1, 64751515120), (2, 32375757560), (4, 16187878780), (5, 12950303024), (8, 8093939390), (10, 6475151512), (16, 4046969695), (19, 3407974480), (20, 3237575756), (38, 1703987240), (40, 1618787878), (76, 851993620), (80, 809393939), (95, 681594896), (152, 425996810), (190, 340797448), (304, 212998405), (380, 170398724), (760, 85199362), (1520, 42599681), (2657, 24370160), (5314, 12185080), (10628, 6092540), (13285, 4874032), (16033, 4038640), (21256, 3046270), (26570, 2437016), (32066, 2019320), (42512, 1523135), (50483, 1282640), (53140, 1218508), (64132, 1009660), (80165, 807728), (100966, 641320), (106280, 609254), (128264, 504830), (160330, 403864), (201932, 320660), (212560, 304627), (252415, 256528)]