123487880

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{1879}}^1$

素因数の和:1974

約数の個数: 64

約数和(自身を含む): 292377600

約数和(自身を除く): 168889720

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 53, 62, 106, 124, 155, 212, 248, 265, 310, 424, 530, 620, 1060, 1240, 1643, 1879, 2120, 3286, 3758, 6572, 7516, 8215, 9395, 13144, 15032, 16430, 18790, 32860, 37580, 58249, 65720, 75160, 99587, 116498, 199174, 232996, 291245, 398348, 465992, 497935, 582490, 796696, 995870, 1164980, 1991740, 2329960, 3087197, 3983480, 6174394, 12348788, 15435985, 24697576, 30871970, 61743940, 123487880]

約数ペア:

[(1, 123487880), (2, 61743940), (4, 30871970), (5, 24697576), (8, 15435985), (10, 12348788), (20, 6174394), (31, 3983480), (40, 3087197), (53, 2329960), (62, 1991740), (106, 1164980), (124, 995870), (155, 796696), (212, 582490), (248, 497935), (265, 465992), (310, 398348), (424, 291245), (530, 232996), (620, 199174), (1060, 116498), (1240, 99587), (1643, 75160), (1879, 65720), (2120, 58249), (3286, 37580), (3758, 32860), (6572, 18790), (7516, 16430), (8215, 15032), (9395, 13144)]