331927960

素因数分解:

$2^3\times 5^1\times 7^3\times {\mathrm{13}}^1\times {\mathrm{1861}}^1$

素因数の和:1906

約数の個数: 128

約数和(自身を含む): 938448000

約数和(自身を除く): 606520040

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 49, 52, 56, 65, 70, 91, 98, 104, 130, 140, 182, 196, 245, 260, 280, 343, 364, 392, 455, 490, 520, 637, 686, 728, 910, 980, 1274, 1372, 1715, 1820, 1861, 1960, 2548, 2744, 3185, 3430, 3640, 3722, 4459, 5096, 6370, 6860, 7444, 8918, 9305, 12740, 13027, 13720, 14888, 17836, 18610, 22295, 24193, 25480, 26054, 35672, 37220, 44590, 48386, 52108, 65135, 74440, 89180, 91189, 96772, 104216, 120965, 130270, 169351, 178360, 182378, 193544, 241930, 260540, 338702, 364756, 455945, 483860, 521080, 638323, 677404, 729512, 846755, 911890, 967720, 1185457, 1276646, 1354808, 1693510, 1823780, 2370914, 2553292, 3191615, 3387020, 3647560, 4741828, 5106584, 5927285, 6383230, 6774040, 8298199, 9483656, 11854570, 12766460, 16596398, 23709140, 25532920, 33192796, 41490995, 47418280, 66385592, 82981990, 165963980, 331927960]

約数ペア:

[(1, 331927960), (2, 165963980), (4, 82981990), (5, 66385592), (7, 47418280), (8, 41490995), (10, 33192796), (13, 25532920), (14, 23709140), (20, 16596398), (26, 12766460), (28, 11854570), (35, 9483656), (40, 8298199), (49, 6774040), (52, 6383230), (56, 5927285), (65, 5106584), (70, 4741828), (91, 3647560), (98, 3387020), (104, 3191615), (130, 2553292), (140, 2370914), (182, 1823780), (196, 1693510), (245, 1354808), (260, 1276646), (280, 1185457), (343, 967720), (364, 911890), (392, 846755), (455, 729512), (490, 677404), (520, 638323), (637, 521080), (686, 483860), (728, 455945), (910, 364756), (980, 338702), (1274, 260540), (1372, 241930), (1715, 193544), (1820, 182378), (1861, 178360), (1960, 169351), (2548, 130270), (2744, 120965), (3185, 104216), (3430, 96772), (3640, 91189), (3722, 89180), (4459, 74440), (5096, 65135), (6370, 52108), (6860, 48386), (7444, 44590), (8918, 37220), (9305, 35672), (12740, 26054), (13027, 25480), (13720, 24193), (14888, 22295), (17836, 18610)]