18132240

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{251}}^1$

素因数の和:317

約数の個数: 160

約数和(自身を含む): 65995776

約数和(自身を除く): 47863536

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 43, 48, 56, 60, 70, 80, 84, 86, 105, 112, 120, 129, 140, 168, 172, 210, 215, 240, 251, 258, 280, 301, 336, 344, 420, 430, 502, 516, 560, 602, 645, 688, 753, 840, 860, 903, 1004, 1032, 1204, 1255, 1290, 1505, 1506, 1680, 1720, 1757, 1806, 2008, 2064, 2408, 2510, 2580, 3010, 3012, 3440, 3514, 3612, 3765, 4016, 4515, 4816, 5020, 5160, 5271, 6020, 6024, 7028, 7224, 7530, 8785, 9030, 10040, 10320, 10542, 10793, 12040, 12048, 14056, 14448, 15060, 17570, 18060, 20080, 21084, 21586, 24080, 26355, 28112, 30120, 32379, 35140, 36120, 42168, 43172, 52710, 53965, 60240, 64758, 70280, 72240, 75551, 84336, 86344, 105420, 107930, 129516, 140560, 151102, 161895, 172688, 210840, 215860, 226653, 259032, 302204, 323790, 377755, 421680, 431720, 453306, 518064, 604408, 647580, 755510, 863440, 906612, 1133265, 1208816, 1295160, 1511020, 1813224, 2266530, 2590320, 3022040, 3626448, 4533060, 6044080, 9066120, 18132240]

約数ペア:

[(1, 18132240), (2, 9066120), (3, 6044080), (4, 4533060), (5, 3626448), (6, 3022040), (7, 2590320), (8, 2266530), (10, 1813224), (12, 1511020), (14, 1295160), (15, 1208816), (16, 1133265), (20, 906612), (21, 863440), (24, 755510), (28, 647580), (30, 604408), (35, 518064), (40, 453306), (42, 431720), (43, 421680), (48, 377755), (56, 323790), (60, 302204), (70, 259032), (80, 226653), (84, 215860), (86, 210840), (105, 172688), (112, 161895), (120, 151102), (129, 140560), (140, 129516), (168, 107930), (172, 105420), (210, 86344), (215, 84336), (240, 75551), (251, 72240), (258, 70280), (280, 64758), (301, 60240), (336, 53965), (344, 52710), (420, 43172), (430, 42168), (502, 36120), (516, 35140), (560, 32379), (602, 30120), (645, 28112), (688, 26355), (753, 24080), (840, 21586), (860, 21084), (903, 20080), (1004, 18060), (1032, 17570), (1204, 15060), (1255, 14448), (1290, 14056), (1505, 12048), (1506, 12040), (1680, 10793), (1720, 10542), (1757, 10320), (1806, 10040), (2008, 9030), (2064, 8785), (2408, 7530), (2510, 7224), (2580, 7028), (3010, 6024), (3012, 6020), (3440, 5271), (3514, 5160), (3612, 5020), (3765, 4816), (4016, 4515)]