248426560

素因数分解:

$2^6\times 5^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{317}}^1$

素因数の和:444

約数の個数: 112

約数和(自身を含む): 620328960

約数和(自身を除く): 371902400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 79, 80, 124, 155, 158, 160, 248, 310, 316, 317, 320, 395, 496, 620, 632, 634, 790, 992, 1240, 1264, 1268, 1580, 1585, 1984, 2449, 2480, 2528, 2536, 3160, 3170, 4898, 4960, 5056, 5072, 6320, 6340, 9796, 9827, 9920, 10144, 12245, 12640, 12680, 19592, 19654, 20288, 24490, 25043, 25280, 25360, 39184, 39308, 48980, 49135, 50086, 50720, 78368, 78616, 97960, 98270, 100172, 101440, 125215, 156736, 157232, 195920, 196540, 200344, 250430, 314464, 391840, 393080, 400688, 500860, 628928, 776333, 783680, 786160, 801376, 1001720, 1552666, 1572320, 1602752, 2003440, 3105332, 3144640, 3881665, 4006880, 6210664, 7763330, 8013760, 12421328, 15526660, 24842656, 31053320, 49685312, 62106640, 124213280, 248426560]

約数ペア:

[(1, 248426560), (2, 124213280), (4, 62106640), (5, 49685312), (8, 31053320), (10, 24842656), (16, 15526660), (20, 12421328), (31, 8013760), (32, 7763330), (40, 6210664), (62, 4006880), (64, 3881665), (79, 3144640), (80, 3105332), (124, 2003440), (155, 1602752), (158, 1572320), (160, 1552666), (248, 1001720), (310, 801376), (316, 786160), (317, 783680), (320, 776333), (395, 628928), (496, 500860), (620, 400688), (632, 393080), (634, 391840), (790, 314464), (992, 250430), (1240, 200344), (1264, 196540), (1268, 195920), (1580, 157232), (1585, 156736), (1984, 125215), (2449, 101440), (2480, 100172), (2528, 98270), (2536, 97960), (3160, 78616), (3170, 78368), (4898, 50720), (4960, 50086), (5056, 49135), (5072, 48980), (6320, 39308), (6340, 39184), (9796, 25360), (9827, 25280), (9920, 25043), (10144, 24490), (12245, 20288), (12640, 19654), (12680, 19592)]