217392840

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{281}}^1\times {\mathrm{307}}^1$

素因数の和:612

約数の個数: 192

約数和(自身を含む): 812972160

約数和(自身を除く): 595579320

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 56, 60, 63, 70, 72, 84, 90, 105, 120, 126, 140, 168, 180, 210, 252, 280, 281, 307, 315, 360, 420, 504, 562, 614, 630, 840, 843, 921, 1124, 1228, 1260, 1405, 1535, 1686, 1842, 1967, 2149, 2248, 2456, 2520, 2529, 2763, 2810, 3070, 3372, 3684, 3934, 4215, 4298, 4605, 5058, 5526, 5620, 5901, 6140, 6447, 6744, 7368, 7868, 8430, 8596, 9210, 9835, 10116, 10745, 11052, 11240, 11802, 12280, 12645, 12894, 13815, 15736, 16860, 17192, 17703, 18420, 19341, 19670, 20232, 21490, 22104, 23604, 25290, 25788, 27630, 29505, 32235, 33720, 35406, 36840, 38682, 39340, 42980, 47208, 50580, 51576, 55260, 59010, 64470, 70812, 77364, 78680, 85960, 86267, 88515, 96705, 101160, 110520, 118020, 128940, 141624, 154728, 172534, 177030, 193410, 236040, 257880, 258801, 345068, 354060, 386820, 431335, 517602, 603869, 690136, 708120, 773640, 776403, 862670, 1035204, 1207738, 1294005, 1552806, 1725340, 1811607, 2070408, 2415476, 2588010, 3019345, 3105612, 3450680, 3623214, 3882015, 4830952, 5176020, 5434821, 6038690, 6211224, 7246428, 7764030, 9058035, 10352040, 10869642, 12077380, 14492856, 15528060, 18116070, 21739284, 24154760, 27174105, 31056120, 36232140, 43478568, 54348210, 72464280, 108696420, 217392840]

約数ペア:

[(1, 217392840), (2, 108696420), (3, 72464280), (4, 54348210), (5, 43478568), (6, 36232140), (7, 31056120), (8, 27174105), (9, 24154760), (10, 21739284), (12, 18116070), (14, 15528060), (15, 14492856), (18, 12077380), (20, 10869642), (21, 10352040), (24, 9058035), (28, 7764030), (30, 7246428), (35, 6211224), (36, 6038690), (40, 5434821), (42, 5176020), (45, 4830952), (56, 3882015), (60, 3623214), (63, 3450680), (70, 3105612), (72, 3019345), (84, 2588010), (90, 2415476), (105, 2070408), (120, 1811607), (126, 1725340), (140, 1552806), (168, 1294005), (180, 1207738), (210, 1035204), (252, 862670), (280, 776403), (281, 773640), (307, 708120), (315, 690136), (360, 603869), (420, 517602), (504, 431335), (562, 386820), (614, 354060), (630, 345068), (840, 258801), (843, 257880), (921, 236040), (1124, 193410), (1228, 177030), (1260, 172534), (1405, 154728), (1535, 141624), (1686, 128940), (1842, 118020), (1967, 110520), (2149, 101160), (2248, 96705), (2456, 88515), (2520, 86267), (2529, 85960), (2763, 78680), (2810, 77364), (3070, 70812), (3372, 64470), (3684, 59010), (3934, 55260), (4215, 51576), (4298, 50580), (4605, 47208), (5058, 42980), (5526, 39340), (5620, 38682), (5901, 36840), (6140, 35406), (6447, 33720), (6744, 32235), (7368, 29505), (7868, 27630), (8430, 25788), (8596, 25290), (9210, 23604), (9835, 22104), (10116, 21490), (10745, 20232), (11052, 19670), (11240, 19341), (11802, 18420), (12280, 17703), (12645, 17192), (12894, 16860), (13815, 15736)]