721319549680

素因数分解:

$2^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{1117}}^1\times {\mathrm{278347}}^1$

素因数の和:279506

約数の個数: 80

約数和(自身を含む): 1736457297120

約数和(自身を除く): 1015137747440

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 40, 58, 80, 116, 145, 232, 290, 464, 580, 1117, 1160, 2234, 2320, 4468, 5585, 8936, 11170, 17872, 22340, 32393, 44680, 64786, 89360, 129572, 161965, 259144, 278347, 323930, 518288, 556694, 647860, 1113388, 1295720, 1391735, 2226776, 2591440, 2783470, 4453552, 5566940, 8072063, 11133880, 16144126, 22267760, 32288252, 40360315, 64576504, 80720630, 129153008, 161441260, 310913599, 322882520, 621827198, 645765040, 1243654396, 1554567995, 2487308792, 3109135990, 4974617584, 6218271980, 9016494371, 12436543960, 18032988742, 24873087920, 36065977484, 45082471855, 72131954968, 90164943710, 144263909936, 180329887420, 360659774840, 721319549680]

約数ペア:

[(1, 721319549680), (2, 360659774840), (4, 180329887420), (5, 144263909936), (8, 90164943710), (10, 72131954968), (16, 45082471855), (20, 36065977484), (29, 24873087920), (40, 18032988742), (58, 12436543960), (80, 9016494371), (116, 6218271980), (145, 4974617584), (232, 3109135990), (290, 2487308792), (464, 1554567995), (580, 1243654396), (1117, 645765040), (1160, 621827198), (2234, 322882520), (2320, 310913599), (4468, 161441260), (5585, 129153008), (8936, 80720630), (11170, 64576504), (17872, 40360315), (22340, 32288252), (32393, 22267760), (44680, 16144126), (64786, 11133880), (89360, 8072063), (129572, 5566940), (161965, 4453552), (259144, 2783470), (278347, 2591440), (323930, 2226776), (518288, 1391735), (556694, 1295720), (647860, 1113388)]