215893680

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{643}}^1\times {\mathrm{1399}}^1$

素因数の和:2058

約数の個数: 80

約数和(自身を含む): 670790400

約数和(自身を除く): 454896720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 643, 1286, 1399, 1929, 2572, 2798, 3215, 3858, 4197, 5144, 5596, 6430, 6995, 7716, 8394, 9645, 10288, 11192, 12860, 13990, 15432, 16788, 19290, 20985, 22384, 25720, 27980, 30864, 33576, 38580, 41970, 51440, 55960, 67152, 77160, 83940, 111920, 154320, 167880, 335760, 899557, 1799114, 2698671, 3598228, 4497785, 5397342, 7196456, 8995570, 10794684, 13493355, 14392912, 17991140, 21589368, 26986710, 35982280, 43178736, 53973420, 71964560, 107946840, 215893680]

約数ペア:

[(1, 215893680), (2, 107946840), (3, 71964560), (4, 53973420), (5, 43178736), (6, 35982280), (8, 26986710), (10, 21589368), (12, 17991140), (15, 14392912), (16, 13493355), (20, 10794684), (24, 8995570), (30, 7196456), (40, 5397342), (48, 4497785), (60, 3598228), (80, 2698671), (120, 1799114), (240, 899557), (643, 335760), (1286, 167880), (1399, 154320), (1929, 111920), (2572, 83940), (2798, 77160), (3215, 67152), (3858, 55960), (4197, 51440), (5144, 41970), (5596, 38580), (6430, 33576), (6995, 30864), (7716, 27980), (8394, 25720), (9645, 22384), (10288, 20985), (11192, 19290), (12860, 16788), (13990, 15432)]