648032580

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{163}}^1\times {\mathrm{1699}}^1$

素因数の和:1890

約数の個数: 144

約数和(自身を含む): 2131147200

約数和(自身を除く): 1483114620

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 65, 78, 90, 117, 130, 156, 163, 180, 195, 234, 260, 326, 390, 468, 489, 585, 652, 780, 815, 978, 1170, 1467, 1630, 1699, 1956, 2119, 2340, 2445, 2934, 3260, 3398, 4238, 4890, 5097, 5868, 6357, 6796, 7335, 8476, 8495, 9780, 10194, 10595, 12714, 14670, 15291, 16990, 19071, 20388, 21190, 22087, 25428, 25485, 29340, 30582, 31785, 33980, 38142, 42380, 44174, 50970, 61164, 63570, 66261, 76284, 76455, 88348, 95355, 101940, 110435, 127140, 132522, 152910, 190710, 198783, 220870, 265044, 276937, 305820, 331305, 381420, 397566, 441740, 553874, 662610, 795132, 830811, 993915, 1107748, 1325220, 1384685, 1661622, 1987830, 2492433, 2769370, 3323244, 3600181, 3975660, 4154055, 4984866, 5538740, 7200362, 8308110, 9969732, 10800543, 12462165, 14400724, 16616220, 18000905, 21601086, 24924330, 32401629, 36001810, 43202172, 49848660, 54002715, 64803258, 72003620, 108005430, 129606516, 162008145, 216010860, 324016290, 648032580]

約数ペア:

[(1, 648032580), (2, 324016290), (3, 216010860), (4, 162008145), (5, 129606516), (6, 108005430), (9, 72003620), (10, 64803258), (12, 54002715), (13, 49848660), (15, 43202172), (18, 36001810), (20, 32401629), (26, 24924330), (30, 21601086), (36, 18000905), (39, 16616220), (45, 14400724), (52, 12462165), (60, 10800543), (65, 9969732), (78, 8308110), (90, 7200362), (117, 5538740), (130, 4984866), (156, 4154055), (163, 3975660), (180, 3600181), (195, 3323244), (234, 2769370), (260, 2492433), (326, 1987830), (390, 1661622), (468, 1384685), (489, 1325220), (585, 1107748), (652, 993915), (780, 830811), (815, 795132), (978, 662610), (1170, 553874), (1467, 441740), (1630, 397566), (1699, 381420), (1956, 331305), (2119, 305820), (2340, 276937), (2445, 265044), (2934, 220870), (3260, 198783), (3398, 190710), (4238, 152910), (4890, 132522), (5097, 127140), (5868, 110435), (6357, 101940), (6796, 95355), (7335, 88348), (8476, 76455), (8495, 76284), (9780, 66261), (10194, 63570), (10595, 61164), (12714, 50970), (14670, 44174), (15291, 42380), (16990, 38142), (19071, 33980), (20388, 31785), (21190, 30582), (22087, 29340), (25428, 25485)]