315978520

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{1493}}^1$

素因数の和:1565

約数の個数: 128

約数和(自身を含む): 858392640

約数和(自身を除く): 542414120

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 20, 22, 26, 37, 40, 44, 52, 55, 65, 74, 88, 104, 110, 130, 143, 148, 185, 220, 260, 286, 296, 370, 407, 440, 481, 520, 572, 715, 740, 814, 962, 1144, 1430, 1480, 1493, 1628, 1924, 2035, 2405, 2860, 2986, 3256, 3848, 4070, 4810, 5291, 5720, 5972, 7465, 8140, 9620, 10582, 11944, 14930, 16280, 16423, 19240, 19409, 21164, 26455, 29860, 32846, 38818, 42328, 52910, 55241, 59720, 65692, 77636, 82115, 97045, 105820, 110482, 131384, 155272, 164230, 194090, 211640, 213499, 220964, 276205, 328460, 388180, 426998, 441928, 552410, 607651, 656920, 718133, 776360, 853996, 1067495, 1104820, 1215302, 1436266, 1707992, 2134990, 2209640, 2430604, 2872532, 3038255, 3590665, 4269980, 4861208, 5745064, 6076510, 7181330, 7899463, 8539960, 12153020, 14362660, 15798926, 24306040, 28725320, 31597852, 39497315, 63195704, 78994630, 157989260, 315978520]

約数ペア:

[(1, 315978520), (2, 157989260), (4, 78994630), (5, 63195704), (8, 39497315), (10, 31597852), (11, 28725320), (13, 24306040), (20, 15798926), (22, 14362660), (26, 12153020), (37, 8539960), (40, 7899463), (44, 7181330), (52, 6076510), (55, 5745064), (65, 4861208), (74, 4269980), (88, 3590665), (104, 3038255), (110, 2872532), (130, 2430604), (143, 2209640), (148, 2134990), (185, 1707992), (220, 1436266), (260, 1215302), (286, 1104820), (296, 1067495), (370, 853996), (407, 776360), (440, 718133), (481, 656920), (520, 607651), (572, 552410), (715, 441928), (740, 426998), (814, 388180), (962, 328460), (1144, 276205), (1430, 220964), (1480, 213499), (1493, 211640), (1628, 194090), (1924, 164230), (2035, 155272), (2405, 131384), (2860, 110482), (2986, 105820), (3256, 97045), (3848, 82115), (4070, 77636), (4810, 65692), (5291, 59720), (5720, 55241), (5972, 52910), (7465, 42328), (8140, 38818), (9620, 32846), (10582, 29860), (11944, 26455), (14930, 21164), (16280, 19409), (16423, 19240)]