166665920

素因数分解:

$2^6\times 5^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{317}}^1$

素因数の和:418

約数の個数: 112

約数和(自身を含む): 418722048

約数和(自身を除く): 252056128

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 53, 62, 64, 80, 106, 124, 155, 160, 212, 248, 265, 310, 317, 320, 424, 496, 530, 620, 634, 848, 992, 1060, 1240, 1268, 1585, 1643, 1696, 1984, 2120, 2480, 2536, 3170, 3286, 3392, 4240, 4960, 5072, 6340, 6572, 8215, 8480, 9827, 9920, 10144, 12680, 13144, 16430, 16801, 16960, 19654, 20288, 25360, 26288, 32860, 33602, 39308, 49135, 50720, 52576, 65720, 67204, 78616, 84005, 98270, 101440, 105152, 131440, 134408, 157232, 168010, 196540, 262880, 268816, 314464, 336020, 393080, 520831, 525760, 537632, 628928, 672040, 786160, 1041662, 1075264, 1344080, 1572320, 2083324, 2604155, 2688160, 3144640, 4166648, 5208310, 5376320, 8333296, 10416620, 16666592, 20833240, 33333184, 41666480, 83332960, 166665920]

約数ペア:

[(1, 166665920), (2, 83332960), (4, 41666480), (5, 33333184), (8, 20833240), (10, 16666592), (16, 10416620), (20, 8333296), (31, 5376320), (32, 5208310), (40, 4166648), (53, 3144640), (62, 2688160), (64, 2604155), (80, 2083324), (106, 1572320), (124, 1344080), (155, 1075264), (160, 1041662), (212, 786160), (248, 672040), (265, 628928), (310, 537632), (317, 525760), (320, 520831), (424, 393080), (496, 336020), (530, 314464), (620, 268816), (634, 262880), (848, 196540), (992, 168010), (1060, 157232), (1240, 134408), (1268, 131440), (1585, 105152), (1643, 101440), (1696, 98270), (1984, 84005), (2120, 78616), (2480, 67204), (2536, 65720), (3170, 52576), (3286, 50720), (3392, 49135), (4240, 39308), (4960, 33602), (5072, 32860), (6340, 26288), (6572, 25360), (8215, 20288), (8480, 19654), (9827, 16960), (9920, 16801), (10144, 16430), (12680, 13144)]