888459520

素因数分解:

$2^8\times 5^1\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{499}}^1$

素因数の和:640

約数の個数: 144

約数和(自身を含む): 2317896000

約数和(自身を除く): 1429436480

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 107, 128, 130, 160, 208, 214, 256, 260, 320, 416, 428, 499, 520, 535, 640, 832, 856, 998, 1040, 1070, 1280, 1391, 1664, 1712, 1996, 2080, 2140, 2495, 2782, 3328, 3424, 3992, 4160, 4280, 4990, 5564, 6487, 6848, 6955, 7984, 8320, 8560, 9980, 11128, 12974, 13696, 13910, 15968, 16640, 17120, 19960, 22256, 25948, 27392, 27820, 31936, 32435, 34240, 39920, 44512, 51896, 53393, 55640, 63872, 64870, 68480, 79840, 89024, 103792, 106786, 111280, 127744, 129740, 136960, 159680, 178048, 207584, 213572, 222560, 259480, 266965, 319360, 356096, 415168, 427144, 445120, 518960, 533930, 638720, 694109, 830336, 854288, 890240, 1037920, 1067860, 1388218, 1660672, 1708576, 1780480, 2075840, 2135720, 2776436, 3417152, 3470545, 4151680, 4271440, 5552872, 6834304, 6941090, 8303360, 8542880, 11105744, 13668608, 13882180, 17085760, 22211488, 27764360, 34171520, 44422976, 55528720, 68343040, 88845952, 111057440, 177691904, 222114880, 444229760, 888459520]

約数ペア:

[(1, 888459520), (2, 444229760), (4, 222114880), (5, 177691904), (8, 111057440), (10, 88845952), (13, 68343040), (16, 55528720), (20, 44422976), (26, 34171520), (32, 27764360), (40, 22211488), (52, 17085760), (64, 13882180), (65, 13668608), (80, 11105744), (104, 8542880), (107, 8303360), (128, 6941090), (130, 6834304), (160, 5552872), (208, 4271440), (214, 4151680), (256, 3470545), (260, 3417152), (320, 2776436), (416, 2135720), (428, 2075840), (499, 1780480), (520, 1708576), (535, 1660672), (640, 1388218), (832, 1067860), (856, 1037920), (998, 890240), (1040, 854288), (1070, 830336), (1280, 694109), (1391, 638720), (1664, 533930), (1712, 518960), (1996, 445120), (2080, 427144), (2140, 415168), (2495, 356096), (2782, 319360), (3328, 266965), (3424, 259480), (3992, 222560), (4160, 213572), (4280, 207584), (4990, 178048), (5564, 159680), (6487, 136960), (6848, 129740), (6955, 127744), (7984, 111280), (8320, 106786), (8560, 103792), (9980, 89024), (11128, 79840), (12974, 68480), (13696, 64870), (13910, 63872), (15968, 55640), (16640, 53393), (17120, 51896), (19960, 44512), (22256, 39920), (25948, 34240), (27392, 32435), (27820, 31936)]