213011880

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{257}}^1\times {\mathrm{6907}}^1$

素因数の和:7178

約数の個数: 64

約数和(自身を含む): 641615040

約数和(自身を除く): 428603160

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 257, 514, 771, 1028, 1285, 1542, 2056, 2570, 3084, 3855, 5140, 6168, 6907, 7710, 10280, 13814, 15420, 20721, 27628, 30840, 34535, 41442, 55256, 69070, 82884, 103605, 138140, 165768, 207210, 276280, 414420, 828840, 1775099, 3550198, 5325297, 7100396, 8875495, 10650594, 14200792, 17750990, 21301188, 26626485, 35501980, 42602376, 53252970, 71003960, 106505940, 213011880]

約数ペア:

[(1, 213011880), (2, 106505940), (3, 71003960), (4, 53252970), (5, 42602376), (6, 35501980), (8, 26626485), (10, 21301188), (12, 17750990), (15, 14200792), (20, 10650594), (24, 8875495), (30, 7100396), (40, 5325297), (60, 3550198), (120, 1775099), (257, 828840), (514, 414420), (771, 276280), (1028, 207210), (1285, 165768), (1542, 138140), (2056, 103605), (2570, 82884), (3084, 69070), (3855, 55256), (5140, 41442), (6168, 34535), (6907, 30840), (7710, 27628), (10280, 20721), (13814, 15420)]