40044060

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{521}}^1$

素因数の和:604

約数の個数: 144

約数和(自身を含む): 141365952

約数和(自身を除く): 101321892

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 61, 63, 70, 84, 90, 105, 122, 126, 140, 180, 183, 210, 244, 252, 305, 315, 366, 420, 427, 521, 549, 610, 630, 732, 854, 915, 1042, 1098, 1220, 1260, 1281, 1563, 1708, 1830, 2084, 2135, 2196, 2562, 2605, 2745, 3126, 3647, 3660, 3843, 4270, 4689, 5124, 5210, 5490, 6252, 6405, 7294, 7686, 7815, 8540, 9378, 10420, 10941, 10980, 12810, 14588, 15372, 15630, 18235, 18756, 19215, 21882, 23445, 25620, 31260, 31781, 32823, 36470, 38430, 43764, 46890, 54705, 63562, 65646, 72940, 76860, 93780, 95343, 109410, 127124, 131292, 158905, 164115, 190686, 218820, 222467, 286029, 317810, 328230, 381372, 444934, 476715, 572058, 635620, 656460, 667401, 889868, 953430, 1112335, 1144116, 1334802, 1430145, 1906860, 2002203, 2224670, 2669604, 2860290, 3337005, 4004406, 4449340, 5720580, 6674010, 8008812, 10011015, 13348020, 20022030, 40044060]

約数ペア:

[(1, 40044060), (2, 20022030), (3, 13348020), (4, 10011015), (5, 8008812), (6, 6674010), (7, 5720580), (9, 4449340), (10, 4004406), (12, 3337005), (14, 2860290), (15, 2669604), (18, 2224670), (20, 2002203), (21, 1906860), (28, 1430145), (30, 1334802), (35, 1144116), (36, 1112335), (42, 953430), (45, 889868), (60, 667401), (61, 656460), (63, 635620), (70, 572058), (84, 476715), (90, 444934), (105, 381372), (122, 328230), (126, 317810), (140, 286029), (180, 222467), (183, 218820), (210, 190686), (244, 164115), (252, 158905), (305, 131292), (315, 127124), (366, 109410), (420, 95343), (427, 93780), (521, 76860), (549, 72940), (610, 65646), (630, 63562), (732, 54705), (854, 46890), (915, 43764), (1042, 38430), (1098, 36470), (1220, 32823), (1260, 31781), (1281, 31260), (1563, 25620), (1708, 23445), (1830, 21882), (2084, 19215), (2135, 18756), (2196, 18235), (2562, 15630), (2605, 15372), (2745, 14588), (3126, 12810), (3647, 10980), (3660, 10941), (3843, 10420), (4270, 9378), (4689, 8540), (5124, 7815), (5210, 7686), (5490, 7294), (6252, 6405)]