787478640

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{383}}^1\times {\mathrm{659}}^1$

素因数の和:1071

約数の個数: 160

約数和(自身を含む): 2639831040

約数和(自身を除く): 1852352400

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 39, 40, 48, 52, 60, 65, 78, 80, 104, 120, 130, 156, 195, 208, 240, 260, 312, 383, 390, 520, 624, 659, 766, 780, 1040, 1149, 1318, 1532, 1560, 1915, 1977, 2298, 2636, 3064, 3120, 3295, 3830, 3954, 4596, 4979, 5272, 5745, 6128, 6590, 7660, 7908, 8567, 9192, 9885, 9958, 10544, 11490, 13180, 14937, 15320, 15816, 17134, 18384, 19770, 19916, 22980, 24895, 25701, 26360, 29874, 30640, 31632, 34268, 39540, 39832, 42835, 45960, 49790, 51402, 52720, 59748, 68536, 74685, 79080, 79664, 85670, 91920, 99580, 102804, 119496, 128505, 137072, 149370, 158160, 171340, 199160, 205608, 238992, 252397, 257010, 298740, 342680, 398320, 411216, 504794, 514020, 597480, 685360, 757191, 1009588, 1028040, 1194960, 1261985, 1514382, 2019176, 2056080, 2523970, 3028764, 3281161, 3785955, 4038352, 5047940, 6057528, 6562322, 7571910, 9843483, 10095880, 12115056, 13124644, 15143820, 16405805, 19686966, 20191760, 26249288, 30287640, 32811610, 39373932, 49217415, 52498576, 60575280, 65623220, 78747864, 98434830, 131246440, 157495728, 196869660, 262492880, 393739320, 787478640]

約数ペア:

[(1, 787478640), (2, 393739320), (3, 262492880), (4, 196869660), (5, 157495728), (6, 131246440), (8, 98434830), (10, 78747864), (12, 65623220), (13, 60575280), (15, 52498576), (16, 49217415), (20, 39373932), (24, 32811610), (26, 30287640), (30, 26249288), (39, 20191760), (40, 19686966), (48, 16405805), (52, 15143820), (60, 13124644), (65, 12115056), (78, 10095880), (80, 9843483), (104, 7571910), (120, 6562322), (130, 6057528), (156, 5047940), (195, 4038352), (208, 3785955), (240, 3281161), (260, 3028764), (312, 2523970), (383, 2056080), (390, 2019176), (520, 1514382), (624, 1261985), (659, 1194960), (766, 1028040), (780, 1009588), (1040, 757191), (1149, 685360), (1318, 597480), (1532, 514020), (1560, 504794), (1915, 411216), (1977, 398320), (2298, 342680), (2636, 298740), (3064, 257010), (3120, 252397), (3295, 238992), (3830, 205608), (3954, 199160), (4596, 171340), (4979, 158160), (5272, 149370), (5745, 137072), (6128, 128505), (6590, 119496), (7660, 102804), (7908, 99580), (8567, 91920), (9192, 85670), (9885, 79664), (9958, 79080), (10544, 74685), (11490, 68536), (13180, 59748), (14937, 52720), (15320, 51402), (15816, 49790), (17134, 45960), (18384, 42835), (19770, 39832), (19916, 39540), (22980, 34268), (24895, 31632), (25701, 30640), (26360, 29874)]