129167920

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{83}}^1\times {\mathrm{397}}^1$

素因数の和:507

約数の個数: 120

約数和(自身を含む): 354446064

約数和(自身を除く): 225278144

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 83, 98, 112, 140, 166, 196, 245, 280, 332, 392, 397, 415, 490, 560, 581, 664, 784, 794, 830, 980, 1162, 1328, 1588, 1660, 1960, 1985, 2324, 2779, 2905, 3176, 3320, 3920, 3970, 4067, 4648, 5558, 5810, 6352, 6640, 7940, 8134, 9296, 11116, 11620, 13895, 15880, 16268, 19453, 20335, 22232, 23240, 27790, 31760, 32536, 32951, 38906, 40670, 44464, 46480, 55580, 65072, 65902, 77812, 81340, 97265, 111160, 131804, 155624, 162680, 164755, 194530, 222320, 230657, 263608, 311248, 325360, 329510, 389060, 461314, 527216, 659020, 778120, 922628, 1153285, 1318040, 1556240, 1614599, 1845256, 2306570, 2636080, 3229198, 3690512, 4613140, 6458396, 8072995, 9226280, 12916792, 16145990, 18452560, 25833584, 32291980, 64583960, 129167920]

約数ペア:

[(1, 129167920), (2, 64583960), (4, 32291980), (5, 25833584), (7, 18452560), (8, 16145990), (10, 12916792), (14, 9226280), (16, 8072995), (20, 6458396), (28, 4613140), (35, 3690512), (40, 3229198), (49, 2636080), (56, 2306570), (70, 1845256), (80, 1614599), (83, 1556240), (98, 1318040), (112, 1153285), (140, 922628), (166, 778120), (196, 659020), (245, 527216), (280, 461314), (332, 389060), (392, 329510), (397, 325360), (415, 311248), (490, 263608), (560, 230657), (581, 222320), (664, 194530), (784, 164755), (794, 162680), (830, 155624), (980, 131804), (1162, 111160), (1328, 97265), (1588, 81340), (1660, 77812), (1960, 65902), (1985, 65072), (2324, 55580), (2779, 46480), (2905, 44464), (3176, 40670), (3320, 38906), (3920, 32951), (3970, 32536), (4067, 31760), (4648, 27790), (5558, 23240), (5810, 22232), (6352, 20335), (6640, 19453), (7940, 16268), (8134, 15880), (9296, 13895), (11116, 11620)]