1621730320

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{167}}^1\times {\mathrm{17341}}^1$

素因数の和:17528

約数の個数: 80

約数和(自身を含む): 4335222528

約数和(自身を除く): 2713492208

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 167, 280, 334, 560, 668, 835, 1169, 1336, 1670, 2338, 2672, 3340, 4676, 5845, 6680, 9352, 11690, 13360, 17341, 18704, 23380, 34682, 46760, 69364, 86705, 93520, 121387, 138728, 173410, 242774, 277456, 346820, 485548, 606935, 693640, 971096, 1213870, 1387280, 1942192, 2427740, 2895947, 4855480, 5791894, 9710960, 11583788, 14479735, 20271629, 23167576, 28959470, 40543258, 46335152, 57918940, 81086516, 101358145, 115837880, 162173032, 202716290, 231675760, 324346064, 405432580, 810865160, 1621730320]

約数ペア:

[(1, 1621730320), (2, 810865160), (4, 405432580), (5, 324346064), (7, 231675760), (8, 202716290), (10, 162173032), (14, 115837880), (16, 101358145), (20, 81086516), (28, 57918940), (35, 46335152), (40, 40543258), (56, 28959470), (70, 23167576), (80, 20271629), (112, 14479735), (140, 11583788), (167, 9710960), (280, 5791894), (334, 4855480), (560, 2895947), (668, 2427740), (835, 1942192), (1169, 1387280), (1336, 1213870), (1670, 971096), (2338, 693640), (2672, 606935), (3340, 485548), (4676, 346820), (5845, 277456), (6680, 242774), (9352, 173410), (11690, 138728), (13360, 121387), (17341, 93520), (18704, 86705), (23380, 69364), (34682, 46760)]