78878520

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{113}}^1\times {\mathrm{277}}^1$

素因数の和:414

約数の個数: 192

約数和(自身を含む): 296637120

約数和(自身を除く): 217758600

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 56, 60, 63, 70, 72, 84, 90, 105, 113, 120, 126, 140, 168, 180, 210, 226, 252, 277, 280, 315, 339, 360, 420, 452, 504, 554, 565, 630, 678, 791, 831, 840, 904, 1017, 1108, 1130, 1260, 1356, 1385, 1582, 1662, 1695, 1939, 2034, 2216, 2260, 2373, 2493, 2520, 2712, 2770, 3164, 3324, 3390, 3878, 3955, 4068, 4155, 4520, 4746, 4986, 5085, 5540, 5817, 6328, 6648, 6780, 7119, 7756, 7910, 8136, 8310, 9492, 9695, 9972, 10170, 11080, 11634, 11865, 12465, 13560, 14238, 15512, 15820, 16620, 17451, 18984, 19390, 19944, 20340, 23268, 23730, 24930, 28476, 29085, 31301, 31640, 33240, 34902, 35595, 38780, 40680, 46536, 47460, 49860, 56952, 58170, 62602, 69804, 71190, 77560, 87255, 93903, 94920, 99720, 116340, 125204, 139608, 142380, 156505, 174510, 187806, 219107, 232680, 250408, 281709, 284760, 313010, 349020, 375612, 438214, 469515, 563418, 626020, 657321, 698040, 751224, 876428, 939030, 1095535, 1126836, 1252040, 1314642, 1408545, 1752856, 1878060, 1971963, 2191070, 2253672, 2629284, 2817090, 3286605, 3756120, 3943926, 4382140, 5258568, 5634180, 6573210, 7887852, 8764280, 9859815, 11268360, 13146420, 15775704, 19719630, 26292840, 39439260, 78878520]

約数ペア:

[(1, 78878520), (2, 39439260), (3, 26292840), (4, 19719630), (5, 15775704), (6, 13146420), (7, 11268360), (8, 9859815), (9, 8764280), (10, 7887852), (12, 6573210), (14, 5634180), (15, 5258568), (18, 4382140), (20, 3943926), (21, 3756120), (24, 3286605), (28, 2817090), (30, 2629284), (35, 2253672), (36, 2191070), (40, 1971963), (42, 1878060), (45, 1752856), (56, 1408545), (60, 1314642), (63, 1252040), (70, 1126836), (72, 1095535), (84, 939030), (90, 876428), (105, 751224), (113, 698040), (120, 657321), (126, 626020), (140, 563418), (168, 469515), (180, 438214), (210, 375612), (226, 349020), (252, 313010), (277, 284760), (280, 281709), (315, 250408), (339, 232680), (360, 219107), (420, 187806), (452, 174510), (504, 156505), (554, 142380), (565, 139608), (630, 125204), (678, 116340), (791, 99720), (831, 94920), (840, 93903), (904, 87255), (1017, 77560), (1108, 71190), (1130, 69804), (1260, 62602), (1356, 58170), (1385, 56952), (1582, 49860), (1662, 47460), (1695, 46536), (1939, 40680), (2034, 38780), (2216, 35595), (2260, 34902), (2373, 33240), (2493, 31640), (2520, 31301), (2712, 29085), (2770, 28476), (3164, 24930), (3324, 23730), (3390, 23268), (3878, 20340), (3955, 19944), (4068, 19390), (4155, 18984), (4520, 17451), (4746, 16620), (4986, 15820), (5085, 15512), (5540, 14238), (5817, 13560), (6328, 12465), (6648, 11865), (6780, 11634), (7119, 11080), (7756, 10170), (7910, 9972), (8136, 9695), (8310, 9492)]