17791520

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{211}}^1$

素因数の和:274

約数の個数: 96

約数和(自身を含む): 46158336

約数和(自身を除く): 28366816

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 31, 32, 34, 40, 62, 68, 80, 85, 124, 136, 155, 160, 170, 211, 248, 272, 310, 340, 422, 496, 527, 544, 620, 680, 844, 992, 1054, 1055, 1240, 1360, 1688, 2108, 2110, 2480, 2635, 2720, 3376, 3587, 4216, 4220, 4960, 5270, 6541, 6752, 7174, 8432, 8440, 10540, 13082, 14348, 16864, 16880, 17935, 21080, 26164, 28696, 32705, 33760, 35870, 42160, 52328, 57392, 65410, 71740, 84320, 104656, 111197, 114784, 130820, 143480, 209312, 222394, 261640, 286960, 444788, 523280, 555985, 573920, 889576, 1046560, 1111970, 1779152, 2223940, 3558304, 4447880, 8895760, 17791520]

約数ペア:

[(1, 17791520), (2, 8895760), (4, 4447880), (5, 3558304), (8, 2223940), (10, 1779152), (16, 1111970), (17, 1046560), (20, 889576), (31, 573920), (32, 555985), (34, 523280), (40, 444788), (62, 286960), (68, 261640), (80, 222394), (85, 209312), (124, 143480), (136, 130820), (155, 114784), (160, 111197), (170, 104656), (211, 84320), (248, 71740), (272, 65410), (310, 57392), (340, 52328), (422, 42160), (496, 35870), (527, 33760), (544, 32705), (620, 28696), (680, 26164), (844, 21080), (992, 17935), (1054, 16880), (1055, 16864), (1240, 14348), (1360, 13082), (1688, 10540), (2108, 8440), (2110, 8432), (2480, 7174), (2635, 6752), (2720, 6541), (3376, 5270), (3587, 4960), (4216, 4220)]