123037720

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{199}}^1$

素因数の和:293

約数の個数: 128

約数和(自身を含む): 317520000

約数和(自身を除く): 194482280

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 29, 40, 41, 52, 58, 65, 82, 104, 116, 130, 145, 164, 199, 205, 232, 260, 290, 328, 377, 398, 410, 520, 533, 580, 754, 796, 820, 995, 1066, 1160, 1189, 1508, 1592, 1640, 1885, 1990, 2132, 2378, 2587, 2665, 3016, 3770, 3980, 4264, 4756, 5174, 5330, 5771, 5945, 7540, 7960, 8159, 9512, 10348, 10660, 11542, 11890, 12935, 15080, 15457, 16318, 20696, 21320, 23084, 23780, 25870, 28855, 30914, 32636, 40795, 46168, 47560, 51740, 57710, 61828, 65272, 75023, 77285, 81590, 103480, 106067, 115420, 123656, 150046, 154570, 163180, 212134, 230840, 236611, 300092, 309140, 326360, 375115, 424268, 473222, 530335, 600184, 618280, 750230, 848536, 946444, 1060670, 1183055, 1500460, 1892888, 2121340, 2366110, 3000920, 3075943, 4242680, 4732220, 6151886, 9464440, 12303772, 15379715, 24607544, 30759430, 61518860, 123037720]

約数ペア:

[(1, 123037720), (2, 61518860), (4, 30759430), (5, 24607544), (8, 15379715), (10, 12303772), (13, 9464440), (20, 6151886), (26, 4732220), (29, 4242680), (40, 3075943), (41, 3000920), (52, 2366110), (58, 2121340), (65, 1892888), (82, 1500460), (104, 1183055), (116, 1060670), (130, 946444), (145, 848536), (164, 750230), (199, 618280), (205, 600184), (232, 530335), (260, 473222), (290, 424268), (328, 375115), (377, 326360), (398, 309140), (410, 300092), (520, 236611), (533, 230840), (580, 212134), (754, 163180), (796, 154570), (820, 150046), (995, 123656), (1066, 115420), (1160, 106067), (1189, 103480), (1508, 81590), (1592, 77285), (1640, 75023), (1885, 65272), (1990, 61828), (2132, 57710), (2378, 51740), (2587, 47560), (2665, 46168), (3016, 40795), (3770, 32636), (3980, 30914), (4264, 28855), (4756, 25870), (5174, 23780), (5330, 23084), (5771, 21320), (5945, 20696), (7540, 16318), (7960, 15457), (8159, 15080), (9512, 12935), (10348, 11890), (10660, 11542)]