12621440

素因数分解:

$2^7\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1$

素因数の和:110

約数の個数: 128

約数和(自身を含む): 34186320

約数和(自身を除く): 21564880

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 37, 40, 41, 52, 64, 65, 74, 80, 82, 104, 128, 130, 148, 160, 164, 185, 205, 208, 260, 296, 320, 328, 370, 410, 416, 481, 520, 533, 592, 640, 656, 740, 820, 832, 962, 1040, 1066, 1184, 1312, 1480, 1517, 1640, 1664, 1924, 2080, 2132, 2368, 2405, 2624, 2665, 2960, 3034, 3280, 3848, 4160, 4264, 4736, 4810, 5248, 5330, 5920, 6068, 6560, 7585, 7696, 8320, 8528, 9620, 10660, 11840, 12136, 13120, 15170, 15392, 17056, 19240, 19721, 21320, 23680, 24272, 26240, 30340, 30784, 34112, 38480, 39442, 42640, 48544, 60680, 61568, 68224, 76960, 78884, 85280, 97088, 98605, 121360, 153920, 157768, 170560, 194176, 197210, 242720, 307840, 315536, 341120, 394420, 485440, 631072, 788840, 970880, 1262144, 1577680, 2524288, 3155360, 6310720, 12621440]

約数ペア:

[(1, 12621440), (2, 6310720), (4, 3155360), (5, 2524288), (8, 1577680), (10, 1262144), (13, 970880), (16, 788840), (20, 631072), (26, 485440), (32, 394420), (37, 341120), (40, 315536), (41, 307840), (52, 242720), (64, 197210), (65, 194176), (74, 170560), (80, 157768), (82, 153920), (104, 121360), (128, 98605), (130, 97088), (148, 85280), (160, 78884), (164, 76960), (185, 68224), (205, 61568), (208, 60680), (260, 48544), (296, 42640), (320, 39442), (328, 38480), (370, 34112), (410, 30784), (416, 30340), (481, 26240), (520, 24272), (533, 23680), (592, 21320), (640, 19721), (656, 19240), (740, 17056), (820, 15392), (832, 15170), (962, 13120), (1040, 12136), (1066, 11840), (1184, 10660), (1312, 9620), (1480, 8528), (1517, 8320), (1640, 7696), (1664, 7585), (1924, 6560), (2080, 6068), (2132, 5920), (2368, 5330), (2405, 5248), (2624, 4810), (2665, 4736), (2960, 4264), (3034, 4160), (3280, 3848)]