321762120

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{127}}^1\times {\mathrm{491}}^1$

素因数の和:675

約数の個数: 128

約数和(自身を含む): 997539840

約数和(自身を除く): 675777720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 43, 60, 86, 120, 127, 129, 172, 215, 254, 258, 344, 381, 430, 491, 508, 516, 635, 645, 762, 860, 982, 1016, 1032, 1270, 1290, 1473, 1524, 1720, 1905, 1964, 2455, 2540, 2580, 2946, 3048, 3810, 3928, 4910, 5080, 5160, 5461, 5892, 7365, 7620, 9820, 10922, 11784, 14730, 15240, 16383, 19640, 21113, 21844, 27305, 29460, 32766, 42226, 43688, 54610, 58920, 62357, 63339, 65532, 81915, 84452, 105565, 109220, 124714, 126678, 131064, 163830, 168904, 187071, 211130, 218440, 249428, 253356, 311785, 316695, 327660, 374142, 422260, 498856, 506712, 623570, 633390, 655320, 748284, 844520, 935355, 1247140, 1266780, 1496568, 1870710, 2494280, 2533560, 2681351, 3741420, 5362702, 7482840, 8044053, 10725404, 13406755, 16088106, 21450808, 26813510, 32176212, 40220265, 53627020, 64352424, 80440530, 107254040, 160881060, 321762120]

約数ペア:

[(1, 321762120), (2, 160881060), (3, 107254040), (4, 80440530), (5, 64352424), (6, 53627020), (8, 40220265), (10, 32176212), (12, 26813510), (15, 21450808), (20, 16088106), (24, 13406755), (30, 10725404), (40, 8044053), (43, 7482840), (60, 5362702), (86, 3741420), (120, 2681351), (127, 2533560), (129, 2494280), (172, 1870710), (215, 1496568), (254, 1266780), (258, 1247140), (344, 935355), (381, 844520), (430, 748284), (491, 655320), (508, 633390), (516, 623570), (635, 506712), (645, 498856), (762, 422260), (860, 374142), (982, 327660), (1016, 316695), (1032, 311785), (1270, 253356), (1290, 249428), (1473, 218440), (1524, 211130), (1720, 187071), (1905, 168904), (1964, 163830), (2455, 131064), (2540, 126678), (2580, 124714), (2946, 109220), (3048, 105565), (3810, 84452), (3928, 81915), (4910, 65532), (5080, 63339), (5160, 62357), (5461, 58920), (5892, 54610), (7365, 43688), (7620, 42226), (9820, 32766), (10922, 29460), (11784, 27305), (14730, 21844), (15240, 21113), (16383, 19640)]