260241440

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{241}}^1\times {\mathrm{397}}^1$

素因数の和:670

約数の個数: 96

約数和(自身を含む): 655334064

約数和(自身を除く): 395092624

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 68, 80, 85, 136, 160, 170, 241, 272, 340, 397, 482, 544, 680, 794, 964, 1205, 1360, 1588, 1928, 1985, 2410, 2720, 3176, 3856, 3970, 4097, 4820, 6352, 6749, 7712, 7940, 8194, 9640, 12704, 13498, 15880, 16388, 19280, 20485, 26996, 31760, 32776, 33745, 38560, 40970, 53992, 63520, 65552, 67490, 81940, 95677, 107984, 131104, 134980, 163880, 191354, 215968, 269960, 327760, 382708, 478385, 539920, 655520, 765416, 956770, 1079840, 1530832, 1626509, 1913540, 3061664, 3253018, 3827080, 6506036, 7654160, 8132545, 13012072, 15308320, 16265090, 26024144, 32530180, 52048288, 65060360, 130120720, 260241440]

約数ペア:

[(1, 260241440), (2, 130120720), (4, 65060360), (5, 52048288), (8, 32530180), (10, 26024144), (16, 16265090), (17, 15308320), (20, 13012072), (32, 8132545), (34, 7654160), (40, 6506036), (68, 3827080), (80, 3253018), (85, 3061664), (136, 1913540), (160, 1626509), (170, 1530832), (241, 1079840), (272, 956770), (340, 765416), (397, 655520), (482, 539920), (544, 478385), (680, 382708), (794, 327760), (964, 269960), (1205, 215968), (1360, 191354), (1588, 163880), (1928, 134980), (1985, 131104), (2410, 107984), (2720, 95677), (3176, 81940), (3856, 67490), (3970, 65552), (4097, 63520), (4820, 53992), (6352, 40970), (6749, 38560), (7712, 33745), (7940, 32776), (8194, 31760), (9640, 26996), (12704, 20485), (13498, 19280), (15880, 16388)]