205310040

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{3557}}^1$

素因数の和:3621

約数の個数: 128

約数和(自身を含む): 681428160

約数和(自身を除く): 476118120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 37, 39, 40, 52, 60, 65, 74, 78, 104, 111, 120, 130, 148, 156, 185, 195, 222, 260, 296, 312, 370, 390, 444, 481, 520, 555, 740, 780, 888, 962, 1110, 1443, 1480, 1560, 1924, 2220, 2405, 2886, 3557, 3848, 4440, 4810, 5772, 7114, 7215, 9620, 10671, 11544, 14228, 14430, 17785, 19240, 21342, 28456, 28860, 35570, 42684, 46241, 53355, 57720, 71140, 85368, 92482, 106710, 131609, 138723, 142280, 184964, 213420, 231205, 263218, 277446, 369928, 394827, 426840, 462410, 526436, 554892, 658045, 693615, 789654, 924820, 1052872, 1109784, 1316090, 1387230, 1579308, 1710917, 1849640, 1974135, 2632180, 2774460, 3158616, 3421834, 3948270, 5132751, 5264360, 5548920, 6843668, 7896540, 8554585, 10265502, 13687336, 15793080, 17109170, 20531004, 25663755, 34218340, 41062008, 51327510, 68436680, 102655020, 205310040]

約数ペア:

[(1, 205310040), (2, 102655020), (3, 68436680), (4, 51327510), (5, 41062008), (6, 34218340), (8, 25663755), (10, 20531004), (12, 17109170), (13, 15793080), (15, 13687336), (20, 10265502), (24, 8554585), (26, 7896540), (30, 6843668), (37, 5548920), (39, 5264360), (40, 5132751), (52, 3948270), (60, 3421834), (65, 3158616), (74, 2774460), (78, 2632180), (104, 1974135), (111, 1849640), (120, 1710917), (130, 1579308), (148, 1387230), (156, 1316090), (185, 1109784), (195, 1052872), (222, 924820), (260, 789654), (296, 693615), (312, 658045), (370, 554892), (390, 526436), (444, 462410), (481, 426840), (520, 394827), (555, 369928), (740, 277446), (780, 263218), (888, 231205), (962, 213420), (1110, 184964), (1443, 142280), (1480, 138723), (1560, 131609), (1924, 106710), (2220, 92482), (2405, 85368), (2886, 71140), (3557, 57720), (3848, 53355), (4440, 46241), (4810, 42684), (5772, 35570), (7114, 28860), (7215, 28456), (9620, 21342), (10671, 19240), (11544, 17785), (14228, 14430)]