90105440

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{157}}^1\times {\mathrm{211}}^1$

素因数の和:400

約数の個数: 96

約数和(自身を含む): 227906784

約数和(自身を除く): 137801344

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 68, 80, 85, 136, 157, 160, 170, 211, 272, 314, 340, 422, 544, 628, 680, 785, 844, 1055, 1256, 1360, 1570, 1688, 2110, 2512, 2669, 2720, 3140, 3376, 3587, 4220, 5024, 5338, 6280, 6752, 7174, 8440, 10676, 12560, 13345, 14348, 16880, 17935, 21352, 25120, 26690, 28696, 33127, 33760, 35870, 42704, 53380, 57392, 66254, 71740, 85408, 106760, 114784, 132508, 143480, 165635, 213520, 265016, 286960, 331270, 427040, 530032, 563159, 573920, 662540, 1060064, 1126318, 1325080, 2252636, 2650160, 2815795, 4505272, 5300320, 5631590, 9010544, 11263180, 18021088, 22526360, 45052720, 90105440]

約数ペア:

[(1, 90105440), (2, 45052720), (4, 22526360), (5, 18021088), (8, 11263180), (10, 9010544), (16, 5631590), (17, 5300320), (20, 4505272), (32, 2815795), (34, 2650160), (40, 2252636), (68, 1325080), (80, 1126318), (85, 1060064), (136, 662540), (157, 573920), (160, 563159), (170, 530032), (211, 427040), (272, 331270), (314, 286960), (340, 265016), (422, 213520), (544, 165635), (628, 143480), (680, 132508), (785, 114784), (844, 106760), (1055, 85408), (1256, 71740), (1360, 66254), (1570, 57392), (1688, 53380), (2110, 42704), (2512, 35870), (2669, 33760), (2720, 33127), (3140, 28696), (3376, 26690), (3587, 25120), (4220, 21352), (5024, 17935), (5338, 16880), (6280, 14348), (6752, 13345), (7174, 12560), (8440, 10676)]