82817840

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{37}}^1\times {\mathrm{571}}^1$

素因数の和:635

約数の個数: 120

約数和(自身を含む): 230445072

約数和(自身を除く): 147627232

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 37, 40, 49, 56, 70, 74, 80, 98, 112, 140, 148, 185, 196, 245, 259, 280, 296, 370, 392, 490, 518, 560, 571, 592, 740, 784, 980, 1036, 1142, 1295, 1480, 1813, 1960, 2072, 2284, 2590, 2855, 2960, 3626, 3920, 3997, 4144, 4568, 5180, 5710, 7252, 7994, 9065, 9136, 10360, 11420, 14504, 15988, 18130, 19985, 20720, 21127, 22840, 27979, 29008, 31976, 36260, 39970, 42254, 45680, 55958, 63952, 72520, 79940, 84508, 105635, 111916, 139895, 145040, 147889, 159880, 169016, 211270, 223832, 279790, 295778, 319760, 338032, 422540, 447664, 559580, 591556, 739445, 845080, 1035223, 1119160, 1183112, 1478890, 1690160, 2070446, 2238320, 2366224, 2957780, 4140892, 5176115, 5915560, 8281784, 10352230, 11831120, 16563568, 20704460, 41408920, 82817840]

約数ペア:

[(1, 82817840), (2, 41408920), (4, 20704460), (5, 16563568), (7, 11831120), (8, 10352230), (10, 8281784), (14, 5915560), (16, 5176115), (20, 4140892), (28, 2957780), (35, 2366224), (37, 2238320), (40, 2070446), (49, 1690160), (56, 1478890), (70, 1183112), (74, 1119160), (80, 1035223), (98, 845080), (112, 739445), (140, 591556), (148, 559580), (185, 447664), (196, 422540), (245, 338032), (259, 319760), (280, 295778), (296, 279790), (370, 223832), (392, 211270), (490, 169016), (518, 159880), (560, 147889), (571, 145040), (592, 139895), (740, 111916), (784, 105635), (980, 84508), (1036, 79940), (1142, 72520), (1295, 63952), (1480, 55958), (1813, 45680), (1960, 42254), (2072, 39970), (2284, 36260), (2590, 31976), (2855, 29008), (2960, 27979), (3626, 22840), (3920, 21127), (3997, 20720), (4144, 19985), (4568, 18130), (5180, 15988), (5710, 14504), (7252, 11420), (7994, 10360), (9065, 9136)]