646821360

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{12653}}^1$

素因数の和:12743

約数の個数: 120

約数和(自身を含む): 2203010784

約数和(自身を除く): 1556189424

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 71, 72, 80, 90, 120, 142, 144, 180, 213, 240, 284, 355, 360, 426, 568, 639, 710, 720, 852, 1065, 1136, 1278, 1420, 1704, 2130, 2556, 2840, 3195, 3408, 4260, 5112, 5680, 6390, 8520, 10224, 12653, 12780, 17040, 25306, 25560, 37959, 50612, 51120, 63265, 75918, 101224, 113877, 126530, 151836, 189795, 202448, 227754, 253060, 303672, 379590, 455508, 506120, 569385, 607344, 759180, 898363, 911016, 1012240, 1138770, 1518360, 1796726, 1822032, 2277540, 2695089, 3036720, 3593452, 4491815, 4555080, 5390178, 7186904, 8085267, 8983630, 9110160, 10780356, 13475445, 14373808, 16170534, 17967260, 21560712, 26950890, 32341068, 35934520, 40426335, 43121424, 53901780, 64682136, 71869040, 80852670, 107803560, 129364272, 161705340, 215607120, 323410680, 646821360]

約数ペア:

[(1, 646821360), (2, 323410680), (3, 215607120), (4, 161705340), (5, 129364272), (6, 107803560), (8, 80852670), (9, 71869040), (10, 64682136), (12, 53901780), (15, 43121424), (16, 40426335), (18, 35934520), (20, 32341068), (24, 26950890), (30, 21560712), (36, 17967260), (40, 16170534), (45, 14373808), (48, 13475445), (60, 10780356), (71, 9110160), (72, 8983630), (80, 8085267), (90, 7186904), (120, 5390178), (142, 4555080), (144, 4491815), (180, 3593452), (213, 3036720), (240, 2695089), (284, 2277540), (355, 1822032), (360, 1796726), (426, 1518360), (568, 1138770), (639, 1012240), (710, 911016), (720, 898363), (852, 759180), (1065, 607344), (1136, 569385), (1278, 506120), (1420, 455508), (1704, 379590), (2130, 303672), (2556, 253060), (2840, 227754), (3195, 202448), (3408, 189795), (4260, 151836), (5112, 126530), (5680, 113877), (6390, 101224), (8520, 75918), (10224, 63265), (12653, 51120), (12780, 50612), (17040, 37959), (25306, 25560)]