316937920

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{1621}}^1$

素因数の和:1698

約数の個数: 112

約数和(自身を含む): 830567808

約数和(自身を除く): 513629888

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 47, 52, 64, 65, 80, 94, 104, 130, 160, 188, 208, 235, 260, 320, 376, 416, 470, 520, 611, 752, 832, 940, 1040, 1222, 1504, 1621, 1880, 2080, 2444, 3008, 3055, 3242, 3760, 4160, 4888, 6110, 6484, 7520, 8105, 9776, 12220, 12968, 15040, 16210, 19552, 21073, 24440, 25936, 32420, 39104, 42146, 48880, 51872, 64840, 76187, 84292, 97760, 103744, 105365, 129680, 152374, 168584, 195520, 210730, 259360, 304748, 337168, 380935, 421460, 518720, 609496, 674336, 761870, 842920, 990431, 1218992, 1348672, 1523740, 1685840, 1980862, 2437984, 3047480, 3371680, 3961724, 4875968, 4952155, 6094960, 6743360, 7923448, 9904310, 12189920, 15846896, 19808620, 24379840, 31693792, 39617240, 63387584, 79234480, 158468960, 316937920]

約数ペア:

[(1, 316937920), (2, 158468960), (4, 79234480), (5, 63387584), (8, 39617240), (10, 31693792), (13, 24379840), (16, 19808620), (20, 15846896), (26, 12189920), (32, 9904310), (40, 7923448), (47, 6743360), (52, 6094960), (64, 4952155), (65, 4875968), (80, 3961724), (94, 3371680), (104, 3047480), (130, 2437984), (160, 1980862), (188, 1685840), (208, 1523740), (235, 1348672), (260, 1218992), (320, 990431), (376, 842920), (416, 761870), (470, 674336), (520, 609496), (611, 518720), (752, 421460), (832, 380935), (940, 337168), (1040, 304748), (1222, 259360), (1504, 210730), (1621, 195520), (1880, 168584), (2080, 152374), (2444, 129680), (3008, 105365), (3055, 103744), (3242, 97760), (3760, 84292), (4160, 76187), (4888, 64840), (6110, 51872), (6484, 48880), (7520, 42146), (8105, 39104), (9776, 32420), (12220, 25936), (12968, 24440), (15040, 21073), (16210, 19552)]