2627996840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{163}}^1\times {\mathrm{811}}^1$

素因数の和:1063

約数の個数: 128

約数和(自身を含む): 6903429120

約数和(自身を除く): 4275432280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 71, 140, 142, 163, 280, 284, 326, 355, 497, 568, 652, 710, 811, 815, 994, 1141, 1304, 1420, 1622, 1630, 1988, 2282, 2485, 2840, 3244, 3260, 3976, 4055, 4564, 4970, 5677, 5705, 6488, 6520, 8110, 9128, 9940, 11354, 11410, 11573, 16220, 19880, 22708, 22820, 23146, 28385, 32440, 45416, 45640, 46292, 56770, 57581, 57865, 81011, 92584, 113540, 115162, 115730, 132193, 162022, 227080, 230324, 231460, 264386, 287905, 324044, 403067, 405055, 460648, 462920, 528772, 575810, 648088, 660965, 806134, 810110, 925351, 1057544, 1151620, 1321930, 1612268, 1620220, 1850702, 2015335, 2303240, 2643860, 3224536, 3240440, 3701404, 4030670, 4626755, 5287720, 7402808, 8061340, 9253510, 9385703, 16122680, 18507020, 18771406, 37014040, 37542812, 46928515, 65699921, 75085624, 93857030, 131399842, 187714060, 262799684, 328499605, 375428120, 525599368, 656999210, 1313998420, 2627996840]

約数ペア:

[(1, 2627996840), (2, 1313998420), (4, 656999210), (5, 525599368), (7, 375428120), (8, 328499605), (10, 262799684), (14, 187714060), (20, 131399842), (28, 93857030), (35, 75085624), (40, 65699921), (56, 46928515), (70, 37542812), (71, 37014040), (140, 18771406), (142, 18507020), (163, 16122680), (280, 9385703), (284, 9253510), (326, 8061340), (355, 7402808), (497, 5287720), (568, 4626755), (652, 4030670), (710, 3701404), (811, 3240440), (815, 3224536), (994, 2643860), (1141, 2303240), (1304, 2015335), (1420, 1850702), (1622, 1620220), (1630, 1612268), (1988, 1321930), (2282, 1151620), (2485, 1057544), (2840, 925351), (3244, 810110), (3260, 806134), (3976, 660965), (4055, 648088), (4564, 575810), (4970, 528772), (5677, 462920), (5705, 460648), (6488, 405055), (6520, 403067), (8110, 324044), (9128, 287905), (9940, 264386), (11354, 231460), (11410, 230324), (11573, 227080), (16220, 162022), (19880, 132193), (22708, 115730), (22820, 115162), (23146, 113540), (28385, 92584), (32440, 81011), (45416, 57865), (45640, 57581), (46292, 56770)]