2123177580

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{406739}}^1$

素因数の和:406783

約数の個数: 72

約数和(自身を含む): 6662401200

約数和(自身を除く): 4539223620

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 29, 30, 36, 45, 58, 60, 87, 90, 116, 145, 174, 180, 261, 290, 348, 435, 522, 580, 870, 1044, 1305, 1740, 2610, 5220, 406739, 813478, 1220217, 1626956, 2033695, 2440434, 3660651, 4067390, 4880868, 6101085, 7321302, 8134780, 11795431, 12202170, 14642604, 18303255, 23590862, 24404340, 35386293, 36606510, 47181724, 58977155, 70772586, 73213020, 106158879, 117954310, 141545172, 176931465, 212317758, 235908620, 353862930, 424635516, 530794395, 707725860, 1061588790, 2123177580]

約数ペア:

[(1, 2123177580), (2, 1061588790), (3, 707725860), (4, 530794395), (5, 424635516), (6, 353862930), (9, 235908620), (10, 212317758), (12, 176931465), (15, 141545172), (18, 117954310), (20, 106158879), (29, 73213020), (30, 70772586), (36, 58977155), (45, 47181724), (58, 36606510), (60, 35386293), (87, 24404340), (90, 23590862), (116, 18303255), (145, 14642604), (174, 12202170), (180, 11795431), (261, 8134780), (290, 7321302), (348, 6101085), (435, 4880868), (522, 4067390), (580, 3660651), (870, 2440434), (1044, 2033695), (1305, 1626956), (1740, 1220217), (2610, 813478), (5220, 406739)]