251160

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1$

素因数の和:57

約数の個数: 128

約数和(自身を含む): 967680

約数和(自身を除く): 716520

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 20, 21, 23, 24, 26, 28, 30, 35, 39, 40, 42, 46, 52, 56, 60, 65, 69, 70, 78, 84, 91, 92, 104, 105, 115, 120, 130, 138, 140, 156, 161, 168, 182, 184, 195, 210, 230, 260, 273, 276, 280, 299, 312, 322, 345, 364, 390, 420, 455, 460, 483, 520, 546, 552, 598, 644, 690, 728, 780, 805, 840, 897, 910, 920, 966, 1092, 1196, 1288, 1365, 1380, 1495, 1560, 1610, 1794, 1820, 1932, 2093, 2184, 2392, 2415, 2730, 2760, 2990, 3220, 3588, 3640, 3864, 4186, 4485, 4830, 5460, 5980, 6279, 6440, 7176, 8372, 8970, 9660, 10465, 10920, 11960, 12558, 16744, 17940, 19320, 20930, 25116, 31395, 35880, 41860, 50232, 62790, 83720, 125580, 251160]

約数ペア:

[(1, 251160), (2, 125580), (3, 83720), (4, 62790), (5, 50232), (6, 41860), (7, 35880), (8, 31395), (10, 25116), (12, 20930), (13, 19320), (14, 17940), (15, 16744), (20, 12558), (21, 11960), (23, 10920), (24, 10465), (26, 9660), (28, 8970), (30, 8372), (35, 7176), (39, 6440), (40, 6279), (42, 5980), (46, 5460), (52, 4830), (56, 4485), (60, 4186), (65, 3864), (69, 3640), (70, 3588), (78, 3220), (84, 2990), (91, 2760), (92, 2730), (104, 2415), (105, 2392), (115, 2184), (120, 2093), (130, 1932), (138, 1820), (140, 1794), (156, 1610), (161, 1560), (168, 1495), (182, 1380), (184, 1365), (195, 1288), (210, 1196), (230, 1092), (260, 966), (273, 920), (276, 910), (280, 897), (299, 840), (312, 805), (322, 780), (345, 728), (364, 690), (390, 644), (420, 598), (455, 552), (460, 546), (483, 520)]