720418920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{14897}}^1$

素因数の和:14955

約数の個数: 128

約数和(自身を含む): 2402749440

約数和(自身を除く): 1682330520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 31, 39, 40, 52, 60, 62, 65, 78, 93, 104, 120, 124, 130, 155, 156, 186, 195, 248, 260, 310, 312, 372, 390, 403, 465, 520, 620, 744, 780, 806, 930, 1209, 1240, 1560, 1612, 1860, 2015, 2418, 3224, 3720, 4030, 4836, 6045, 8060, 9672, 12090, 14897, 16120, 24180, 29794, 44691, 48360, 59588, 74485, 89382, 119176, 148970, 178764, 193661, 223455, 297940, 357528, 387322, 446910, 461807, 580983, 595880, 774644, 893820, 923614, 968305, 1161966, 1385421, 1549288, 1787640, 1847228, 1936610, 2309035, 2323932, 2770842, 2904915, 3694456, 3873220, 4618070, 4647864, 5541684, 5809830, 6003491, 6927105, 7746440, 9236140, 11083368, 11619660, 12006982, 13854210, 18010473, 18472280, 23239320, 24013964, 27708420, 30017455, 36020946, 48027928, 55416840, 60034910, 72041892, 90052365, 120069820, 144083784, 180104730, 240139640, 360209460, 720418920]

約数ペア:

[(1, 720418920), (2, 360209460), (3, 240139640), (4, 180104730), (5, 144083784), (6, 120069820), (8, 90052365), (10, 72041892), (12, 60034910), (13, 55416840), (15, 48027928), (20, 36020946), (24, 30017455), (26, 27708420), (30, 24013964), (31, 23239320), (39, 18472280), (40, 18010473), (52, 13854210), (60, 12006982), (62, 11619660), (65, 11083368), (78, 9236140), (93, 7746440), (104, 6927105), (120, 6003491), (124, 5809830), (130, 5541684), (155, 4647864), (156, 4618070), (186, 3873220), (195, 3694456), (248, 2904915), (260, 2770842), (310, 2323932), (312, 2309035), (372, 1936610), (390, 1847228), (403, 1787640), (465, 1549288), (520, 1385421), (620, 1161966), (744, 968305), (780, 923614), (806, 893820), (930, 774644), (1209, 595880), (1240, 580983), (1560, 461807), (1612, 446910), (1860, 387322), (2015, 357528), (2418, 297940), (3224, 223455), (3720, 193661), (4030, 178764), (4836, 148970), (6045, 119176), (8060, 89382), (9672, 74485), (12090, 59588), (14897, 48360), (16120, 44691), (24180, 29794)]