679750020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{2833}}^1$

素因数の和:2922

約数の個数: 144

約数和(自身を含む): 2178688512

約数和(自身を除く): 1498938492

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 31, 36, 43, 45, 60, 62, 86, 90, 93, 124, 129, 155, 172, 180, 186, 215, 258, 279, 310, 372, 387, 430, 465, 516, 558, 620, 645, 774, 860, 930, 1116, 1290, 1333, 1395, 1548, 1860, 1935, 2580, 2666, 2790, 2833, 3870, 3999, 5332, 5580, 5666, 6665, 7740, 7998, 8499, 11332, 11997, 13330, 14165, 15996, 16998, 19995, 23994, 25497, 26660, 28330, 33996, 39990, 42495, 47988, 50994, 56660, 59985, 79980, 84990, 87823, 101988, 119970, 121819, 127485, 169980, 175646, 239940, 243638, 254970, 263469, 351292, 365457, 439115, 487276, 509940, 526938, 609095, 730914, 790407, 878230, 1053876, 1096371, 1218190, 1317345, 1461828, 1580814, 1756460, 1827285, 2192742, 2436380, 2634690, 3161628, 3654570, 3776389, 3952035, 4385484, 5269380, 5481855, 7309140, 7552778, 7904070, 10963710, 11329167, 15105556, 15808140, 18881945, 21927420, 22658334, 33987501, 37763890, 45316668, 56645835, 67975002, 75527780, 113291670, 135950004, 169937505, 226583340, 339875010, 679750020]

約数ペア:

[(1, 679750020), (2, 339875010), (3, 226583340), (4, 169937505), (5, 135950004), (6, 113291670), (9, 75527780), (10, 67975002), (12, 56645835), (15, 45316668), (18, 37763890), (20, 33987501), (30, 22658334), (31, 21927420), (36, 18881945), (43, 15808140), (45, 15105556), (60, 11329167), (62, 10963710), (86, 7904070), (90, 7552778), (93, 7309140), (124, 5481855), (129, 5269380), (155, 4385484), (172, 3952035), (180, 3776389), (186, 3654570), (215, 3161628), (258, 2634690), (279, 2436380), (310, 2192742), (372, 1827285), (387, 1756460), (430, 1580814), (465, 1461828), (516, 1317345), (558, 1218190), (620, 1096371), (645, 1053876), (774, 878230), (860, 790407), (930, 730914), (1116, 609095), (1290, 526938), (1333, 509940), (1395, 487276), (1548, 439115), (1860, 365457), (1935, 351292), (2580, 263469), (2666, 254970), (2790, 243638), (2833, 239940), (3870, 175646), (3999, 169980), (5332, 127485), (5580, 121819), (5666, 119970), (6665, 101988), (7740, 87823), (7998, 84990), (8499, 79980), (11332, 59985), (11997, 56660), (13330, 50994), (14165, 47988), (15996, 42495), (16998, 39990), (19995, 33996), (23994, 28330), (25497, 26660)]