82640040

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{751}}^1$

素因数の和:903

約数の個数: 128

約数和(自身を含む): 285880320

約数和(自身を除く): 203240280

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 131, 140, 168, 210, 262, 280, 393, 420, 524, 655, 751, 786, 840, 917, 1048, 1310, 1502, 1572, 1834, 1965, 2253, 2620, 2751, 3004, 3144, 3668, 3755, 3930, 4506, 4585, 5240, 5257, 5502, 6008, 7336, 7510, 7860, 9012, 9170, 10514, 11004, 11265, 13755, 15020, 15720, 15771, 18024, 18340, 21028, 22008, 22530, 26285, 27510, 30040, 31542, 36680, 42056, 45060, 52570, 55020, 63084, 78855, 90120, 98381, 105140, 110040, 126168, 157710, 196762, 210280, 295143, 315420, 393524, 491905, 590286, 630840, 688667, 787048, 983810, 1180572, 1377334, 1475715, 1967620, 2066001, 2361144, 2754668, 2951430, 3443335, 3935240, 4132002, 5509336, 5902860, 6886670, 8264004, 10330005, 11805720, 13773340, 16528008, 20660010, 27546680, 41320020, 82640040]

約数ペア:

[(1, 82640040), (2, 41320020), (3, 27546680), (4, 20660010), (5, 16528008), (6, 13773340), (7, 11805720), (8, 10330005), (10, 8264004), (12, 6886670), (14, 5902860), (15, 5509336), (20, 4132002), (21, 3935240), (24, 3443335), (28, 2951430), (30, 2754668), (35, 2361144), (40, 2066001), (42, 1967620), (56, 1475715), (60, 1377334), (70, 1180572), (84, 983810), (105, 787048), (120, 688667), (131, 630840), (140, 590286), (168, 491905), (210, 393524), (262, 315420), (280, 295143), (393, 210280), (420, 196762), (524, 157710), (655, 126168), (751, 110040), (786, 105140), (840, 98381), (917, 90120), (1048, 78855), (1310, 63084), (1502, 55020), (1572, 52570), (1834, 45060), (1965, 42056), (2253, 36680), (2620, 31542), (2751, 30040), (3004, 27510), (3144, 26285), (3668, 22530), (3755, 22008), (3930, 21028), (4506, 18340), (4585, 18024), (5240, 15771), (5257, 15720), (5502, 15020), (6008, 13755), (7336, 11265), (7510, 11004), (7860, 10514), (9012, 9170)]