80140760

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{3623}}^1$

素因数の和:3720

約数の個数: 64

約数和(自身を含む): 208742400

約数和(自身を除く): 128601640

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 79, 140, 158, 280, 316, 395, 553, 632, 790, 1106, 1580, 2212, 2765, 3160, 3623, 4424, 5530, 7246, 11060, 14492, 18115, 22120, 25361, 28984, 36230, 50722, 72460, 101444, 126805, 144920, 202888, 253610, 286217, 507220, 572434, 1014440, 1144868, 1431085, 2003519, 2289736, 2862170, 4007038, 5724340, 8014076, 10017595, 11448680, 16028152, 20035190, 40070380, 80140760]

約数ペア:

[(1, 80140760), (2, 40070380), (4, 20035190), (5, 16028152), (7, 11448680), (8, 10017595), (10, 8014076), (14, 5724340), (20, 4007038), (28, 2862170), (35, 2289736), (40, 2003519), (56, 1431085), (70, 1144868), (79, 1014440), (140, 572434), (158, 507220), (280, 286217), (316, 253610), (395, 202888), (553, 144920), (632, 126805), (790, 101444), (1106, 72460), (1580, 50722), (2212, 36230), (2765, 28984), (3160, 25361), (3623, 22120), (4424, 18115), (5530, 14492), (7246, 11060)]