71980360

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{1787}}^1$

素因数の和:1870

約数の個数: 64

約数和(自身を含む): 173793600

約数和(自身を除く): 101813240

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 53, 76, 95, 106, 152, 190, 212, 265, 380, 424, 530, 760, 1007, 1060, 1787, 2014, 2120, 3574, 4028, 5035, 7148, 8056, 8935, 10070, 14296, 17870, 20140, 33953, 35740, 40280, 67906, 71480, 94711, 135812, 169765, 189422, 271624, 339530, 378844, 473555, 679060, 757688, 947110, 1358120, 1799509, 1894220, 3599018, 3788440, 7198036, 8997545, 14396072, 17995090, 35990180, 71980360]

約数ペア:

[(1, 71980360), (2, 35990180), (4, 17995090), (5, 14396072), (8, 8997545), (10, 7198036), (19, 3788440), (20, 3599018), (38, 1894220), (40, 1799509), (53, 1358120), (76, 947110), (95, 757688), (106, 679060), (152, 473555), (190, 378844), (212, 339530), (265, 271624), (380, 189422), (424, 169765), (530, 135812), (760, 94711), (1007, 71480), (1060, 67906), (1787, 40280), (2014, 35740), (2120, 33953), (3574, 20140), (4028, 17870), (5035, 14296), (7148, 10070), (8056, 8935)]