66409140

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{131}}^1$

素因数の和:238

約数の個数: 192

約数和(自身を含む): 229920768

約数和(自身を除く): 163511628

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 17, 20, 21, 28, 30, 34, 35, 42, 51, 60, 68, 70, 71, 84, 85, 102, 105, 119, 131, 140, 142, 170, 204, 210, 213, 238, 255, 262, 284, 340, 355, 357, 393, 420, 426, 476, 497, 510, 524, 595, 655, 710, 714, 786, 852, 917, 994, 1020, 1065, 1190, 1207, 1310, 1420, 1428, 1491, 1572, 1785, 1834, 1965, 1988, 2130, 2227, 2380, 2414, 2485, 2620, 2751, 2982, 3570, 3621, 3668, 3930, 4260, 4454, 4585, 4828, 4970, 5502, 5964, 6035, 6681, 7140, 7242, 7455, 7860, 8449, 8908, 9170, 9301, 9940, 11004, 11135, 12070, 13362, 13755, 14484, 14910, 15589, 16898, 18105, 18340, 18602, 22270, 24140, 25347, 26724, 27510, 27903, 29820, 31178, 33405, 33796, 36210, 37204, 42245, 44540, 46505, 46767, 50694, 55020, 55806, 62356, 65107, 66810, 72420, 77945, 84490, 93010, 93534, 101388, 111612, 126735, 130214, 133620, 139515, 155890, 158117, 168980, 186020, 187068, 195321, 233835, 253470, 260428, 279030, 311780, 316234, 325535, 390642, 467670, 474351, 506940, 558060, 632468, 651070, 781284, 790585, 935340, 948702, 976605, 1106819, 1302140, 1581170, 1897404, 1953210, 2213638, 2371755, 3162340, 3320457, 3906420, 4427276, 4743510, 5534095, 6640914, 9487020, 11068190, 13281828, 16602285, 22136380, 33204570, 66409140]

約数ペア:

[(1, 66409140), (2, 33204570), (3, 22136380), (4, 16602285), (5, 13281828), (6, 11068190), (7, 9487020), (10, 6640914), (12, 5534095), (14, 4743510), (15, 4427276), (17, 3906420), (20, 3320457), (21, 3162340), (28, 2371755), (30, 2213638), (34, 1953210), (35, 1897404), (42, 1581170), (51, 1302140), (60, 1106819), (68, 976605), (70, 948702), (71, 935340), (84, 790585), (85, 781284), (102, 651070), (105, 632468), (119, 558060), (131, 506940), (140, 474351), (142, 467670), (170, 390642), (204, 325535), (210, 316234), (213, 311780), (238, 279030), (255, 260428), (262, 253470), (284, 233835), (340, 195321), (355, 187068), (357, 186020), (393, 168980), (420, 158117), (426, 155890), (476, 139515), (497, 133620), (510, 130214), (524, 126735), (595, 111612), (655, 101388), (710, 93534), (714, 93010), (786, 84490), (852, 77945), (917, 72420), (994, 66810), (1020, 65107), (1065, 62356), (1190, 55806), (1207, 55020), (1310, 50694), (1420, 46767), (1428, 46505), (1491, 44540), (1572, 42245), (1785, 37204), (1834, 36210), (1965, 33796), (1988, 33405), (2130, 31178), (2227, 29820), (2380, 27903), (2414, 27510), (2485, 26724), (2620, 25347), (2751, 24140), (2982, 22270), (3570, 18602), (3621, 18340), (3668, 18105), (3930, 16898), (4260, 15589), (4454, 14910), (4585, 14484), (4828, 13755), (4970, 13362), (5502, 12070), (5964, 11135), (6035, 11004), (6681, 9940), (7140, 9301), (7242, 9170), (7455, 8908), (7860, 8449)]