90578280

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1873}}^1$

素因数の和:1931

約数の個数: 128

約数和(自身を含む): 302238720

約数和(自身を除く): 211660440

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, 1873, 2015, 2418, 3224, 3720, 3746, 4030, 4836, 5619, 6045, 7492, 8060, 9365, 9672, 11238, 12090, 14984, 16120, 18730, 22476, 24180, 24349, 28095, 37460, 44952, 48360, 48698, 56190, 58063, 73047, 74920, 97396, 112380, 116126, 121745, 146094, 174189, 194792, 224760, 232252, 243490, 290315, 292188, 348378, 365235, 464504, 486980, 580630, 584376, 696756, 730470, 754819, 870945, 973960, 1161260, 1393512, 1460940, 1509638, 1741890, 2264457, 2322520, 2921880, 3019276, 3483780, 3774095, 4528914, 6038552, 6967560, 7548190, 9057828, 11322285, 15096380, 18115656, 22644570, 30192760, 45289140, 90578280]

約数ペア:

[(1, 90578280), (2, 45289140), (3, 30192760), (4, 22644570), (5, 18115656), (6, 15096380), (8, 11322285), (10, 9057828), (12, 7548190), (13, 6967560), (15, 6038552), (20, 4528914), (24, 3774095), (26, 3483780), (30, 3019276), (31, 2921880), (39, 2322520), (40, 2264457), (52, 1741890), (60, 1509638), (62, 1460940), (65, 1393512), (78, 1161260), (93, 973960), (104, 870945), (120, 754819), (124, 730470), (130, 696756), (155, 584376), (156, 580630), (186, 486980), (195, 464504), (248, 365235), (260, 348378), (310, 292188), (312, 290315), (372, 243490), (390, 232252), (403, 224760), (465, 194792), (520, 174189), (620, 146094), (744, 121745), (780, 116126), (806, 112380), (930, 97396), (1209, 74920), (1240, 73047), (1560, 58063), (1612, 56190), (1860, 48698), (1873, 48360), (2015, 44952), (2418, 37460), (3224, 28095), (3720, 24349), (3746, 24180), (4030, 22476), (4836, 18730), (5619, 16120), (6045, 14984), (7492, 12090), (8060, 11238), (9365, 9672)]