128909040

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{523}}^1$

素因数の和:631

約数の個数: 160

約数和(自身を含む): 436638720

約数和(自身を除く): 307729680

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 39, 40, 48, 52, 60, 65, 78, 79, 80, 104, 120, 130, 156, 158, 195, 208, 237, 240, 260, 312, 316, 390, 395, 474, 520, 523, 624, 632, 780, 790, 948, 1027, 1040, 1046, 1185, 1264, 1560, 1569, 1580, 1896, 2054, 2092, 2370, 2615, 3081, 3120, 3138, 3160, 3792, 4108, 4184, 4740, 5135, 5230, 6162, 6276, 6320, 6799, 7845, 8216, 8368, 9480, 10270, 10460, 12324, 12552, 13598, 15405, 15690, 16432, 18960, 20397, 20540, 20920, 24648, 25104, 27196, 30810, 31380, 33995, 40794, 41080, 41317, 41840, 49296, 54392, 61620, 62760, 67990, 81588, 82160, 82634, 101985, 108784, 123240, 123951, 125520, 135980, 163176, 165268, 203970, 206585, 246480, 247902, 271960, 326352, 330536, 407940, 413170, 495804, 537121, 543920, 619755, 661072, 815880, 826340, 991608, 1074242, 1239510, 1611363, 1631760, 1652680, 1983216, 2148484, 2479020, 2685605, 3222726, 3305360, 4296968, 4958040, 5371210, 6445452, 8056815, 8593936, 9916080, 10742420, 12890904, 16113630, 21484840, 25781808, 32227260, 42969680, 64454520, 128909040]

約数ペア:

[(1, 128909040), (2, 64454520), (3, 42969680), (4, 32227260), (5, 25781808), (6, 21484840), (8, 16113630), (10, 12890904), (12, 10742420), (13, 9916080), (15, 8593936), (16, 8056815), (20, 6445452), (24, 5371210), (26, 4958040), (30, 4296968), (39, 3305360), (40, 3222726), (48, 2685605), (52, 2479020), (60, 2148484), (65, 1983216), (78, 1652680), (79, 1631760), (80, 1611363), (104, 1239510), (120, 1074242), (130, 991608), (156, 826340), (158, 815880), (195, 661072), (208, 619755), (237, 543920), (240, 537121), (260, 495804), (312, 413170), (316, 407940), (390, 330536), (395, 326352), (474, 271960), (520, 247902), (523, 246480), (624, 206585), (632, 203970), (780, 165268), (790, 163176), (948, 135980), (1027, 125520), (1040, 123951), (1046, 123240), (1185, 108784), (1264, 101985), (1560, 82634), (1569, 82160), (1580, 81588), (1896, 67990), (2054, 62760), (2092, 61620), (2370, 54392), (2615, 49296), (3081, 41840), (3120, 41317), (3138, 41080), (3160, 40794), (3792, 33995), (4108, 31380), (4184, 30810), (4740, 27196), (5135, 25104), (5230, 24648), (6162, 20920), (6276, 20540), (6320, 20397), (6799, 18960), (7845, 16432), (8216, 15690), (8368, 15405), (9480, 13598), (10270, 12552), (10460, 12324)]