78749160

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{241}}^1\times {\mathrm{389}}^1$

素因数の和:651

約数の個数: 128

約数和(自身を含む): 271814400

約数和(自身を除く): 193065240

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 241, 280, 389, 420, 482, 723, 778, 840, 964, 1167, 1205, 1446, 1556, 1687, 1928, 1945, 2334, 2410, 2723, 2892, 3112, 3374, 3615, 3890, 4668, 4820, 5061, 5446, 5784, 5835, 6748, 7230, 7780, 8169, 8435, 9336, 9640, 10122, 10892, 11670, 13496, 13615, 14460, 15560, 16338, 16870, 20244, 21784, 23340, 25305, 27230, 28920, 32676, 33740, 40488, 40845, 46680, 50610, 54460, 65352, 67480, 81690, 93749, 101220, 108920, 163380, 187498, 202440, 281247, 326760, 374996, 468745, 562494, 656243, 749992, 937490, 1124988, 1312486, 1406235, 1874980, 1968729, 2249976, 2624972, 2812470, 3281215, 3749960, 3937458, 5249944, 5624940, 6562430, 7874916, 9843645, 11249880, 13124860, 15749832, 19687290, 26249720, 39374580, 78749160]

約数ペア:

[(1, 78749160), (2, 39374580), (3, 26249720), (4, 19687290), (5, 15749832), (6, 13124860), (7, 11249880), (8, 9843645), (10, 7874916), (12, 6562430), (14, 5624940), (15, 5249944), (20, 3937458), (21, 3749960), (24, 3281215), (28, 2812470), (30, 2624972), (35, 2249976), (40, 1968729), (42, 1874980), (56, 1406235), (60, 1312486), (70, 1124988), (84, 937490), (105, 749992), (120, 656243), (140, 562494), (168, 468745), (210, 374996), (241, 326760), (280, 281247), (389, 202440), (420, 187498), (482, 163380), (723, 108920), (778, 101220), (840, 93749), (964, 81690), (1167, 67480), (1205, 65352), (1446, 54460), (1556, 50610), (1687, 46680), (1928, 40845), (1945, 40488), (2334, 33740), (2410, 32676), (2723, 28920), (2892, 27230), (3112, 25305), (3374, 23340), (3615, 21784), (3890, 20244), (4668, 16870), (4820, 16338), (5061, 15560), (5446, 14460), (5784, 13615), (5835, 13496), (6748, 11670), (7230, 10892), (7780, 10122), (8169, 9640), (8435, 9336)]