378731640

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1\times {\mathrm{181}}^1$

素因数の和:302

約数の個数: 256

約数和(自身を含む): 1358622720

約数和(自身を除く): 979891080

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 47, 53, 56, 60, 70, 84, 94, 105, 106, 120, 140, 141, 159, 168, 181, 188, 210, 212, 235, 265, 280, 282, 318, 329, 362, 371, 376, 420, 424, 470, 530, 543, 564, 636, 658, 705, 724, 742, 795, 840, 905, 940, 987, 1060, 1086, 1113, 1128, 1267, 1272, 1316, 1410, 1448, 1484, 1590, 1645, 1810, 1855, 1880, 1974, 2120, 2172, 2226, 2491, 2534, 2632, 2715, 2820, 2968, 3180, 3290, 3620, 3710, 3801, 3948, 4344, 4452, 4935, 4982, 5068, 5430, 5565, 5640, 6335, 6360, 6580, 7240, 7420, 7473, 7602, 7896, 8507, 8904, 9593, 9870, 9964, 10136, 10860, 11130, 12455, 12670, 13160, 14840, 14946, 15204, 17014, 17437, 19005, 19186, 19740, 19928, 21720, 22260, 24910, 25340, 25521, 28779, 29892, 30408, 34028, 34874, 37365, 38010, 38372, 39480, 42535, 44520, 47965, 49820, 50680, 51042, 52311, 57558, 59549, 59784, 67151, 68056, 69748, 74730, 76020, 76744, 85070, 87185, 95930, 99640, 102084, 104622, 115116, 119098, 127605, 134302, 139496, 143895, 149460, 152040, 170140, 174370, 178647, 191860, 201453, 204168, 209244, 230232, 238196, 255210, 261555, 268604, 287790, 297745, 298920, 335755, 340280, 348740, 357294, 383720, 402906, 418488, 450871, 476392, 510420, 523110, 537208, 575580, 595490, 671510, 697480, 714588, 805812, 893235, 901742, 1007265, 1020840, 1046220, 1151160, 1190980, 1343020, 1352613, 1429176, 1611624, 1786470, 1803484, 2014530, 2092440, 2254355, 2381960, 2686040, 2705226, 3156097, 3572940, 3606968, 4029060, 4508710, 5410452, 6312194, 6763065, 7145880, 8058120, 9017420, 9468291, 10820904, 12624388, 13526130, 15780485, 18034840, 18936582, 25248776, 27052260, 31560970, 37873164, 47341455, 54104520, 63121940, 75746328, 94682910, 126243880, 189365820, 378731640]

約数ペア:

[(1, 378731640), (2, 189365820), (3, 126243880), (4, 94682910), (5, 75746328), (6, 63121940), (7, 54104520), (8, 47341455), (10, 37873164), (12, 31560970), (14, 27052260), (15, 25248776), (20, 18936582), (21, 18034840), (24, 15780485), (28, 13526130), (30, 12624388), (35, 10820904), (40, 9468291), (42, 9017420), (47, 8058120), (53, 7145880), (56, 6763065), (60, 6312194), (70, 5410452), (84, 4508710), (94, 4029060), (105, 3606968), (106, 3572940), (120, 3156097), (140, 2705226), (141, 2686040), (159, 2381960), (168, 2254355), (181, 2092440), (188, 2014530), (210, 1803484), (212, 1786470), (235, 1611624), (265, 1429176), (280, 1352613), (282, 1343020), (318, 1190980), (329, 1151160), (362, 1046220), (371, 1020840), (376, 1007265), (420, 901742), (424, 893235), (470, 805812), (530, 714588), (543, 697480), (564, 671510), (636, 595490), (658, 575580), (705, 537208), (724, 523110), (742, 510420), (795, 476392), (840, 450871), (905, 418488), (940, 402906), (987, 383720), (1060, 357294), (1086, 348740), (1113, 340280), (1128, 335755), (1267, 298920), (1272, 297745), (1316, 287790), (1410, 268604), (1448, 261555), (1484, 255210), (1590, 238196), (1645, 230232), (1810, 209244), (1855, 204168), (1880, 201453), (1974, 191860), (2120, 178647), (2172, 174370), (2226, 170140), (2491, 152040), (2534, 149460), (2632, 143895), (2715, 139496), (2820, 134302), (2968, 127605), (3180, 119098), (3290, 115116), (3620, 104622), (3710, 102084), (3801, 99640), (3948, 95930), (4344, 87185), (4452, 85070), (4935, 76744), (4982, 76020), (5068, 74730), (5430, 69748), (5565, 68056), (5640, 67151), (6335, 59784), (6360, 59549), (6580, 57558), (7240, 52311), (7420, 51042), (7473, 50680), (7602, 49820), (7896, 47965), (8507, 44520), (8904, 42535), (9593, 39480), (9870, 38372), (9964, 38010), (10136, 37365), (10860, 34874), (11130, 34028), (12455, 30408), (12670, 29892), (13160, 28779), (14840, 25521), (14946, 25340), (15204, 24910), (17014, 22260), (17437, 21720), (19005, 19928), (19186, 19740)]