1278698520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{56983}}^1$

素因数の和:57025

約数の個数: 128

約数和(自身を含む): 4431075840

約数和(自身を除く): 3152377320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 17, 20, 22, 24, 30, 33, 34, 40, 44, 51, 55, 60, 66, 68, 85, 88, 102, 110, 120, 132, 136, 165, 170, 187, 204, 220, 255, 264, 330, 340, 374, 408, 440, 510, 561, 660, 680, 748, 935, 1020, 1122, 1320, 1496, 1870, 2040, 2244, 2805, 3740, 4488, 5610, 7480, 11220, 22440, 56983, 113966, 170949, 227932, 284915, 341898, 455864, 569830, 626813, 683796, 854745, 968711, 1139660, 1253626, 1367592, 1709490, 1880439, 1937422, 2279320, 2507252, 2906133, 3134065, 3418980, 3760878, 3874844, 4843555, 5014504, 5812266, 6268130, 6837960, 7521756, 7749688, 9402195, 9687110, 10655821, 11624532, 12536260, 14530665, 15043512, 18804390, 19374220, 21311642, 23249064, 25072520, 29061330, 31967463, 37608780, 38748440, 42623284, 53279105, 58122660, 63934926, 75217560, 85246568, 106558210, 116245320, 127869852, 159837315, 213116420, 255739704, 319674630, 426232840, 639349260, 1278698520]

約数ペア:

[(1, 1278698520), (2, 639349260), (3, 426232840), (4, 319674630), (5, 255739704), (6, 213116420), (8, 159837315), (10, 127869852), (11, 116245320), (12, 106558210), (15, 85246568), (17, 75217560), (20, 63934926), (22, 58122660), (24, 53279105), (30, 42623284), (33, 38748440), (34, 37608780), (40, 31967463), (44, 29061330), (51, 25072520), (55, 23249064), (60, 21311642), (66, 19374220), (68, 18804390), (85, 15043512), (88, 14530665), (102, 12536260), (110, 11624532), (120, 10655821), (132, 9687110), (136, 9402195), (165, 7749688), (170, 7521756), (187, 6837960), (204, 6268130), (220, 5812266), (255, 5014504), (264, 4843555), (330, 3874844), (340, 3760878), (374, 3418980), (408, 3134065), (440, 2906133), (510, 2507252), (561, 2279320), (660, 1937422), (680, 1880439), (748, 1709490), (935, 1367592), (1020, 1253626), (1122, 1139660), (1320, 968711), (1496, 854745), (1870, 683796), (2040, 626813), (2244, 569830), (2805, 455864), (3740, 341898), (4488, 284915), (5610, 227932), (7480, 170949), (11220, 113966), (22440, 56983)]