321975480

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{127}}^1\times {\mathrm{571}}^1$

素因数の和:749

約数の個数: 128

約数和(自身を含む): 1001594880

約数和(自身を除く): 679619400

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 37, 40, 60, 74, 111, 120, 127, 148, 185, 222, 254, 296, 370, 381, 444, 508, 555, 571, 635, 740, 762, 888, 1016, 1110, 1142, 1270, 1480, 1524, 1713, 1905, 2220, 2284, 2540, 2855, 3048, 3426, 3810, 4440, 4568, 4699, 5080, 5710, 6852, 7620, 8565, 9398, 11420, 13704, 14097, 15240, 17130, 18796, 21127, 22840, 23495, 28194, 34260, 37592, 42254, 46990, 56388, 63381, 68520, 70485, 72517, 84508, 93980, 105635, 112776, 126762, 140970, 145034, 169016, 187960, 211270, 217551, 253524, 281940, 290068, 316905, 362585, 422540, 435102, 507048, 563880, 580136, 633810, 725170, 845080, 870204, 1087755, 1267620, 1450340, 1740408, 2175510, 2535240, 2683129, 2900680, 4351020, 5366258, 8049387, 8702040, 10732516, 13415645, 16098774, 21465032, 26831290, 32197548, 40246935, 53662580, 64395096, 80493870, 107325160, 160987740, 321975480]

約数ペア:

[(1, 321975480), (2, 160987740), (3, 107325160), (4, 80493870), (5, 64395096), (6, 53662580), (8, 40246935), (10, 32197548), (12, 26831290), (15, 21465032), (20, 16098774), (24, 13415645), (30, 10732516), (37, 8702040), (40, 8049387), (60, 5366258), (74, 4351020), (111, 2900680), (120, 2683129), (127, 2535240), (148, 2175510), (185, 1740408), (222, 1450340), (254, 1267620), (296, 1087755), (370, 870204), (381, 845080), (444, 725170), (508, 633810), (555, 580136), (571, 563880), (635, 507048), (740, 435102), (762, 422540), (888, 362585), (1016, 316905), (1110, 290068), (1142, 281940), (1270, 253524), (1480, 217551), (1524, 211270), (1713, 187960), (1905, 169016), (2220, 145034), (2284, 140970), (2540, 126762), (2855, 112776), (3048, 105635), (3426, 93980), (3810, 84508), (4440, 72517), (4568, 70485), (4699, 68520), (5080, 63381), (5710, 56388), (6852, 46990), (7620, 42254), (8565, 37592), (9398, 34260), (11420, 28194), (13704, 23495), (14097, 22840), (15240, 21127), (17130, 18796)]