99918540

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{389}}^1\times {\mathrm{1427}}^1$

素因数の和:1831

約数の個数: 72

約数和(自身を含む): 304078320

約数和(自身を除く): 204159780

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 389, 778, 1167, 1427, 1556, 1945, 2334, 2854, 3501, 3890, 4281, 4668, 5708, 5835, 7002, 7135, 7780, 8562, 11670, 12843, 14004, 14270, 17124, 17505, 21405, 23340, 25686, 28540, 35010, 42810, 51372, 64215, 70020, 85620, 128430, 256860, 555103, 1110206, 1665309, 2220412, 2775515, 3330618, 4995927, 5551030, 6661236, 8326545, 9991854, 11102060, 16653090, 19983708, 24979635, 33306180, 49959270, 99918540]

約数ペア:

[(1, 99918540), (2, 49959270), (3, 33306180), (4, 24979635), (5, 19983708), (6, 16653090), (9, 11102060), (10, 9991854), (12, 8326545), (15, 6661236), (18, 5551030), (20, 4995927), (30, 3330618), (36, 2775515), (45, 2220412), (60, 1665309), (90, 1110206), (180, 555103), (389, 256860), (778, 128430), (1167, 85620), (1427, 70020), (1556, 64215), (1945, 51372), (2334, 42810), (2854, 35010), (3501, 28540), (3890, 25686), (4281, 23340), (4668, 21405), (5708, 17505), (5835, 17124), (7002, 14270), (7135, 14004), (7780, 12843), (8562, 11670)]