64778280

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{1151}}^1$

素因数の和:1239

約数の個数: 128

約数和(自身を含む): 225607680

約数和(自身を除く): 160829400

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, 67, 70, 84, 105, 120, 134, 140, 168, 201, 210, 268, 280, 335, 402, 420, 469, 536, 670, 804, 840, 938, 1005, 1151, 1340, 1407, 1608, 1876, 2010, 2302, 2345, 2680, 2814, 3453, 3752, 4020, 4604, 4690, 5628, 5755, 6906, 7035, 8040, 8057, 9208, 9380, 11256, 11510, 13812, 14070, 16114, 17265, 18760, 23020, 24171, 27624, 28140, 32228, 34530, 40285, 46040, 48342, 56280, 64456, 69060, 77117, 80570, 96684, 120855, 138120, 154234, 161140, 193368, 231351, 241710, 308468, 322280, 385585, 462702, 483420, 539819, 616936, 771170, 925404, 966840, 1079638, 1156755, 1542340, 1619457, 1850808, 2159276, 2313510, 2699095, 3084680, 3238914, 4318552, 4627020, 5398190, 6477828, 8097285, 9254040, 10796380, 12955656, 16194570, 21592760, 32389140, 64778280]

約数ペア:

[(1, 64778280), (2, 32389140), (3, 21592760), (4, 16194570), (5, 12955656), (6, 10796380), (7, 9254040), (8, 8097285), (10, 6477828), (12, 5398190), (14, 4627020), (15, 4318552), (20, 3238914), (21, 3084680), (24, 2699095), (28, 2313510), (30, 2159276), (35, 1850808), (40, 1619457), (42, 1542340), (56, 1156755), (60, 1079638), (67, 966840), (70, 925404), (84, 771170), (105, 616936), (120, 539819), (134, 483420), (140, 462702), (168, 385585), (201, 322280), (210, 308468), (268, 241710), (280, 231351), (335, 193368), (402, 161140), (420, 154234), (469, 138120), (536, 120855), (670, 96684), (804, 80570), (840, 77117), (938, 69060), (1005, 64456), (1151, 56280), (1340, 48342), (1407, 46040), (1608, 40285), (1876, 34530), (2010, 32228), (2302, 28140), (2345, 27624), (2680, 24171), (2814, 23020), (3453, 18760), (3752, 17265), (4020, 16114), (4604, 14070), (4690, 13812), (5628, 11510), (5755, 11256), (6906, 9380), (7035, 9208), (8040, 8057)]