64870260

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{109}}^2$

素因数の和:250

約数の個数: 144

約数和(自身を含む): 225622656

約数和(自身を除く): 160752396

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 13, 14, 15, 20, 21, 26, 28, 30, 35, 39, 42, 52, 60, 65, 70, 78, 84, 91, 105, 109, 130, 140, 156, 182, 195, 210, 218, 260, 273, 327, 364, 390, 420, 436, 455, 545, 546, 654, 763, 780, 910, 1090, 1092, 1308, 1365, 1417, 1526, 1635, 1820, 2180, 2289, 2730, 2834, 3052, 3270, 3815, 4251, 4578, 5460, 5668, 6540, 7085, 7630, 8502, 9156, 9919, 11445, 11881, 14170, 15260, 17004, 19838, 21255, 22890, 23762, 28340, 29757, 35643, 39676, 42510, 45780, 47524, 49595, 59405, 59514, 71286, 83167, 85020, 99190, 118810, 119028, 142572, 148785, 154453, 166334, 178215, 198380, 237620, 249501, 297570, 308906, 332668, 356430, 415835, 463359, 499002, 595140, 617812, 712860, 772265, 831670, 926718, 998004, 1081171, 1247505, 1544530, 1663340, 1853436, 2162342, 2316795, 2495010, 3089060, 3243513, 4324684, 4633590, 4990020, 5405855, 6487026, 9267180, 10811710, 12974052, 16217565, 21623420, 32435130, 64870260]

約数ペア:

[(1, 64870260), (2, 32435130), (3, 21623420), (4, 16217565), (5, 12974052), (6, 10811710), (7, 9267180), (10, 6487026), (12, 5405855), (13, 4990020), (14, 4633590), (15, 4324684), (20, 3243513), (21, 3089060), (26, 2495010), (28, 2316795), (30, 2162342), (35, 1853436), (39, 1663340), (42, 1544530), (52, 1247505), (60, 1081171), (65, 998004), (70, 926718), (78, 831670), (84, 772265), (91, 712860), (105, 617812), (109, 595140), (130, 499002), (140, 463359), (156, 415835), (182, 356430), (195, 332668), (210, 308906), (218, 297570), (260, 249501), (273, 237620), (327, 198380), (364, 178215), (390, 166334), (420, 154453), (436, 148785), (455, 142572), (545, 119028), (546, 118810), (654, 99190), (763, 85020), (780, 83167), (910, 71286), (1090, 59514), (1092, 59405), (1308, 49595), (1365, 47524), (1417, 45780), (1526, 42510), (1635, 39676), (1820, 35643), (2180, 29757), (2289, 28340), (2730, 23762), (2834, 22890), (3052, 21255), (3270, 19838), (3815, 17004), (4251, 15260), (4578, 14170), (5460, 11881), (5668, 11445), (6540, 9919), (7085, 9156), (7630, 8502)]