31298940

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{149}}^1\times {\mathrm{389}}^1$

素因数の和:556

約数の個数: 96

約数和(自身を含む): 98280000

約数和(自身を除く): 66981060

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 149, 180, 270, 298, 389, 447, 540, 596, 745, 778, 894, 1167, 1341, 1490, 1556, 1788, 1945, 2235, 2334, 2682, 2980, 3501, 3890, 4023, 4470, 4668, 5364, 5835, 6705, 7002, 7780, 8046, 8940, 10503, 11670, 13410, 14004, 16092, 17505, 20115, 21006, 23340, 26820, 35010, 40230, 42012, 52515, 57961, 70020, 80460, 105030, 115922, 173883, 210060, 231844, 289805, 347766, 521649, 579610, 695532, 869415, 1043298, 1159220, 1564947, 1738830, 2086596, 2608245, 3129894, 3477660, 5216490, 6259788, 7824735, 10432980, 15649470, 31298940]

約数ペア:

[(1, 31298940), (2, 15649470), (3, 10432980), (4, 7824735), (5, 6259788), (6, 5216490), (9, 3477660), (10, 3129894), (12, 2608245), (15, 2086596), (18, 1738830), (20, 1564947), (27, 1159220), (30, 1043298), (36, 869415), (45, 695532), (54, 579610), (60, 521649), (90, 347766), (108, 289805), (135, 231844), (149, 210060), (180, 173883), (270, 115922), (298, 105030), (389, 80460), (447, 70020), (540, 57961), (596, 52515), (745, 42012), (778, 40230), (894, 35010), (1167, 26820), (1341, 23340), (1490, 21006), (1556, 20115), (1788, 17505), (1945, 16092), (2235, 14004), (2334, 13410), (2682, 11670), (2980, 10503), (3501, 8940), (3890, 8046), (4023, 7780), (4470, 7002), (4668, 6705), (5364, 5835)]