248697810

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{691}}^1$

素因数の和:781

約数の個数: 128

約数和(自身を含む): 701521920

約数和(自身を除く): 452824110

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 31, 43, 45, 54, 62, 86, 90, 93, 129, 135, 155, 186, 215, 258, 270, 279, 310, 387, 430, 465, 558, 645, 691, 774, 837, 930, 1161, 1290, 1333, 1382, 1395, 1674, 1935, 2073, 2322, 2666, 2790, 3455, 3870, 3999, 4146, 4185, 5805, 6219, 6665, 6910, 7998, 8370, 10365, 11610, 11997, 12438, 13330, 18657, 19995, 20730, 21421, 23994, 29713, 31095, 35991, 37314, 39990, 42842, 59426, 59985, 62190, 64263, 71982, 89139, 93285, 107105, 119970, 128526, 148565, 178278, 179955, 186570, 192789, 214210, 267417, 297130, 321315, 359910, 385578, 445695, 534834, 578367, 642630, 802251, 891390, 921103, 963945, 1156734, 1337085, 1604502, 1842206, 1927890, 2674170, 2763309, 2891835, 4011255, 4605515, 5526618, 5783670, 8022510, 8289927, 9211030, 13816545, 16579854, 24869781, 27633090, 41449635, 49739562, 82899270, 124348905, 248697810]

約数ペア:

[(1, 248697810), (2, 124348905), (3, 82899270), (5, 49739562), (6, 41449635), (9, 27633090), (10, 24869781), (15, 16579854), (18, 13816545), (27, 9211030), (30, 8289927), (31, 8022510), (43, 5783670), (45, 5526618), (54, 4605515), (62, 4011255), (86, 2891835), (90, 2763309), (93, 2674170), (129, 1927890), (135, 1842206), (155, 1604502), (186, 1337085), (215, 1156734), (258, 963945), (270, 921103), (279, 891390), (310, 802251), (387, 642630), (430, 578367), (465, 534834), (558, 445695), (645, 385578), (691, 359910), (774, 321315), (837, 297130), (930, 267417), (1161, 214210), (1290, 192789), (1333, 186570), (1382, 179955), (1395, 178278), (1674, 148565), (1935, 128526), (2073, 119970), (2322, 107105), (2666, 93285), (2790, 89139), (3455, 71982), (3870, 64263), (3999, 62190), (4146, 59985), (4185, 59426), (5805, 42842), (6219, 39990), (6665, 37314), (6910, 35991), (7998, 31095), (8370, 29713), (10365, 23994), (11610, 21421), (11997, 20730), (12438, 19995), (13330, 18657)]