321002360

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{71}}^1\times {\mathrm{241}}^1$

素因数の和:397

約数の個数: 128

約数和(自身を含む): 853079040

約数和(自身を除く): 532076680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 67, 70, 71, 134, 140, 142, 241, 268, 280, 284, 335, 355, 469, 482, 497, 536, 568, 670, 710, 938, 964, 994, 1205, 1340, 1420, 1687, 1876, 1928, 1988, 2345, 2410, 2485, 2680, 2840, 3374, 3752, 3976, 4690, 4757, 4820, 4970, 6748, 8435, 9380, 9514, 9640, 9940, 13496, 16147, 16870, 17111, 18760, 19028, 19880, 23785, 32294, 33299, 33740, 34222, 38056, 47570, 64588, 66598, 67480, 68444, 80735, 85555, 95140, 113029, 119777, 129176, 133196, 136888, 161470, 166495, 171110, 190280, 226058, 239554, 266392, 322940, 332990, 342220, 452116, 479108, 565145, 598885, 645880, 665980, 684440, 904232, 958216, 1130290, 1146437, 1197770, 1331960, 2260580, 2292874, 2395540, 4521160, 4585748, 4791080, 5732185, 8025059, 9171496, 11464370, 16050118, 22928740, 32100236, 40125295, 45857480, 64200472, 80250590, 160501180, 321002360]

約数ペア:

[(1, 321002360), (2, 160501180), (4, 80250590), (5, 64200472), (7, 45857480), (8, 40125295), (10, 32100236), (14, 22928740), (20, 16050118), (28, 11464370), (35, 9171496), (40, 8025059), (56, 5732185), (67, 4791080), (70, 4585748), (71, 4521160), (134, 2395540), (140, 2292874), (142, 2260580), (241, 1331960), (268, 1197770), (280, 1146437), (284, 1130290), (335, 958216), (355, 904232), (469, 684440), (482, 665980), (497, 645880), (536, 598885), (568, 565145), (670, 479108), (710, 452116), (938, 342220), (964, 332990), (994, 322940), (1205, 266392), (1340, 239554), (1420, 226058), (1687, 190280), (1876, 171110), (1928, 166495), (1988, 161470), (2345, 136888), (2410, 133196), (2485, 129176), (2680, 119777), (2840, 113029), (3374, 95140), (3752, 85555), (3976, 80735), (4690, 68444), (4757, 67480), (4820, 66598), (4970, 64588), (6748, 47570), (8435, 38056), (9380, 34222), (9514, 33740), (9640, 33299), (9940, 32294), (13496, 23785), (16147, 19880), (16870, 19028), (17111, 18760)]