83535280

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{239}}^1\times {\mathrm{257}}^1$

素因数の和:526

約数の個数: 80

約数和(自身を含む): 207308160

約数和(自身を除く): 123772880

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 239, 257, 272, 340, 478, 514, 680, 956, 1028, 1195, 1285, 1360, 1912, 2056, 2390, 2570, 3824, 4063, 4112, 4369, 4780, 5140, 8126, 8738, 9560, 10280, 16252, 17476, 19120, 20315, 20560, 21845, 32504, 34952, 40630, 43690, 61423, 65008, 69904, 81260, 87380, 122846, 162520, 174760, 245692, 307115, 325040, 349520, 491384, 614230, 982768, 1044191, 1228460, 2088382, 2456920, 4176764, 4913840, 5220955, 8353528, 10441910, 16707056, 20883820, 41767640, 83535280]

約数ペア:

[(1, 83535280), (2, 41767640), (4, 20883820), (5, 16707056), (8, 10441910), (10, 8353528), (16, 5220955), (17, 4913840), (20, 4176764), (34, 2456920), (40, 2088382), (68, 1228460), (80, 1044191), (85, 982768), (136, 614230), (170, 491384), (239, 349520), (257, 325040), (272, 307115), (340, 245692), (478, 174760), (514, 162520), (680, 122846), (956, 87380), (1028, 81260), (1195, 69904), (1285, 65008), (1360, 61423), (1912, 43690), (2056, 40630), (2390, 34952), (2570, 32504), (3824, 21845), (4063, 20560), (4112, 20315), (4369, 19120), (4780, 17476), (5140, 16252), (8126, 10280), (8738, 9560)]