1291760

素因数分解:

$2^4\times 5^1\times {\mathrm{67}}^1\times {\mathrm{241}}^1$

素因数の和:321

約数の個数: 40

約数和(自身を含む): 3060816

約数和(自身を除く): 1769056

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 67, 80, 134, 241, 268, 335, 482, 536, 670, 964, 1072, 1205, 1340, 1928, 2410, 2680, 3856, 4820, 5360, 9640, 16147, 19280, 32294, 64588, 80735, 129176, 161470, 258352, 322940, 645880, 1291760]

約数ペア:

[(1, 1291760), (2, 645880), (4, 322940), (5, 258352), (8, 161470), (10, 129176), (16, 80735), (20, 64588), (40, 32294), (67, 19280), (80, 16147), (134, 9640), (241, 5360), (268, 4820), (335, 3856), (482, 2680), (536, 2410), (670, 1928), (964, 1340), (1072, 1205)]