988688040

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{241}}^1\times {\mathrm{2011}}^1$

素因数の和:2283

約数の個数: 128

約数和(自身を含む): 3155137920

約数和(自身を除く): 2166449880

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 24, 30, 34, 40, 51, 60, 68, 85, 102, 120, 136, 170, 204, 241, 255, 340, 408, 482, 510, 680, 723, 964, 1020, 1205, 1446, 1928, 2011, 2040, 2410, 2892, 3615, 4022, 4097, 4820, 5784, 6033, 7230, 8044, 8194, 9640, 10055, 12066, 12291, 14460, 16088, 16388, 20110, 20485, 24132, 24582, 28920, 30165, 32776, 34187, 40220, 40970, 48264, 49164, 60330, 61455, 68374, 80440, 81940, 98328, 102561, 120660, 122910, 136748, 163880, 170935, 205122, 241320, 245820, 273496, 341870, 410244, 484651, 491640, 512805, 683740, 820488, 969302, 1025610, 1367480, 1453953, 1938604, 2051220, 2423255, 2907906, 3877208, 4102440, 4846510, 5815812, 7269765, 8239067, 9693020, 11631624, 14539530, 16478134, 19386040, 24717201, 29079060, 32956268, 41195335, 49434402, 58158120, 65912536, 82390670, 98868804, 123586005, 164781340, 197737608, 247172010, 329562680, 494344020, 988688040]

約数ペア:

[(1, 988688040), (2, 494344020), (3, 329562680), (4, 247172010), (5, 197737608), (6, 164781340), (8, 123586005), (10, 98868804), (12, 82390670), (15, 65912536), (17, 58158120), (20, 49434402), (24, 41195335), (30, 32956268), (34, 29079060), (40, 24717201), (51, 19386040), (60, 16478134), (68, 14539530), (85, 11631624), (102, 9693020), (120, 8239067), (136, 7269765), (170, 5815812), (204, 4846510), (241, 4102440), (255, 3877208), (340, 2907906), (408, 2423255), (482, 2051220), (510, 1938604), (680, 1453953), (723, 1367480), (964, 1025610), (1020, 969302), (1205, 820488), (1446, 683740), (1928, 512805), (2011, 491640), (2040, 484651), (2410, 410244), (2892, 341870), (3615, 273496), (4022, 245820), (4097, 241320), (4820, 205122), (5784, 170935), (6033, 163880), (7230, 136748), (8044, 122910), (8194, 120660), (9640, 102561), (10055, 98328), (12066, 81940), (12291, 80440), (14460, 68374), (16088, 61455), (16388, 60330), (20110, 49164), (20485, 48264), (24132, 40970), (24582, 40220), (28920, 34187), (30165, 32776)]