280473960

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{7817}}^1$

素因数の和:7867

約数の個数: 128

約数和(自身を含む): 945665280

約数和(自身を除く): 665191320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 23, 24, 26, 30, 39, 40, 46, 52, 60, 65, 69, 78, 92, 104, 115, 120, 130, 138, 156, 184, 195, 230, 260, 276, 299, 312, 345, 390, 460, 520, 552, 598, 690, 780, 897, 920, 1196, 1380, 1495, 1560, 1794, 2392, 2760, 2990, 3588, 4485, 5980, 7176, 7817, 8970, 11960, 15634, 17940, 23451, 31268, 35880, 39085, 46902, 62536, 78170, 93804, 101621, 117255, 156340, 179791, 187608, 203242, 234510, 304863, 312680, 359582, 406484, 469020, 508105, 539373, 609726, 719164, 812968, 898955, 938040, 1016210, 1078746, 1219452, 1438328, 1524315, 1797910, 2032420, 2157492, 2337283, 2438904, 2696865, 3048630, 3595820, 4064840, 4314984, 4674566, 5393730, 6097260, 7011849, 7191640, 9349132, 10787460, 11686415, 12194520, 14023698, 18698264, 21574920, 23372830, 28047396, 35059245, 46745660, 56094792, 70118490, 93491320, 140236980, 280473960]

約数ペア:

[(1, 280473960), (2, 140236980), (3, 93491320), (4, 70118490), (5, 56094792), (6, 46745660), (8, 35059245), (10, 28047396), (12, 23372830), (13, 21574920), (15, 18698264), (20, 14023698), (23, 12194520), (24, 11686415), (26, 10787460), (30, 9349132), (39, 7191640), (40, 7011849), (46, 6097260), (52, 5393730), (60, 4674566), (65, 4314984), (69, 4064840), (78, 3595820), (92, 3048630), (104, 2696865), (115, 2438904), (120, 2337283), (130, 2157492), (138, 2032420), (156, 1797910), (184, 1524315), (195, 1438328), (230, 1219452), (260, 1078746), (276, 1016210), (299, 938040), (312, 898955), (345, 812968), (390, 719164), (460, 609726), (520, 539373), (552, 508105), (598, 469020), (690, 406484), (780, 359582), (897, 312680), (920, 304863), (1196, 234510), (1380, 203242), (1495, 187608), (1560, 179791), (1794, 156340), (2392, 117255), (2760, 101621), (2990, 93804), (3588, 78170), (4485, 62536), (5980, 46902), (7176, 39085), (7817, 35880), (8970, 31268), (11960, 23451), (15634, 17940)]