640708380

素因数分解:

$2^2\times 3^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{10141}}^1$

素因数の和:10178

約数の個数: 144

約数和(自身を含む): 2170712544

約数和(自身を除く): 1530004164

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 27, 30, 36, 39, 45, 52, 54, 60, 65, 78, 81, 90, 108, 117, 130, 135, 156, 162, 180, 195, 234, 243, 260, 270, 324, 351, 390, 405, 468, 486, 540, 585, 702, 780, 810, 972, 1053, 1170, 1215, 1404, 1620, 1755, 2106, 2340, 2430, 3159, 3510, 4212, 4860, 5265, 6318, 7020, 10141, 10530, 12636, 15795, 20282, 21060, 30423, 31590, 40564, 50705, 60846, 63180, 91269, 101410, 121692, 131833, 152115, 182538, 202820, 263666, 273807, 304230, 365076, 395499, 456345, 527332, 547614, 608460, 659165, 790998, 821421, 912690, 1095228, 1186497, 1318330, 1369035, 1581996, 1642842, 1825380, 1977495, 2372994, 2464263, 2636660, 2738070, 3285684, 3559491, 3954990, 4107105, 4745988, 4928526, 5476140, 5932485, 7118982, 7909980, 8214210, 9857052, 10678473, 11864970, 12321315, 14237964, 16428420, 17797455, 21356946, 23729940, 24642630, 32035419, 35594910, 42713892, 49285260, 53392365, 64070838, 71189820, 106784730, 128141676, 160177095, 213569460, 320354190, 640708380]

約数ペア:

[(1, 640708380), (2, 320354190), (3, 213569460), (4, 160177095), (5, 128141676), (6, 106784730), (9, 71189820), (10, 64070838), (12, 53392365), (13, 49285260), (15, 42713892), (18, 35594910), (20, 32035419), (26, 24642630), (27, 23729940), (30, 21356946), (36, 17797455), (39, 16428420), (45, 14237964), (52, 12321315), (54, 11864970), (60, 10678473), (65, 9857052), (78, 8214210), (81, 7909980), (90, 7118982), (108, 5932485), (117, 5476140), (130, 4928526), (135, 4745988), (156, 4107105), (162, 3954990), (180, 3559491), (195, 3285684), (234, 2738070), (243, 2636660), (260, 2464263), (270, 2372994), (324, 1977495), (351, 1825380), (390, 1642842), (405, 1581996), (468, 1369035), (486, 1318330), (540, 1186497), (585, 1095228), (702, 912690), (780, 821421), (810, 790998), (972, 659165), (1053, 608460), (1170, 547614), (1215, 527332), (1404, 456345), (1620, 395499), (1755, 365076), (2106, 304230), (2340, 273807), (2430, 263666), (3159, 202820), (3510, 182538), (4212, 152115), (4860, 131833), (5265, 121692), (6318, 101410), (7020, 91269), (10141, 63180), (10530, 60846), (12636, 50705), (15795, 40564), (20282, 31590), (21060, 30423)]