65440140

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{64157}}^1$

素因数の和:64186

約数の個数: 48

約数和(自身を含む): 194013792

約数和(自身を除く): 128573652

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 30, 34, 51, 60, 68, 85, 102, 170, 204, 255, 340, 510, 1020, 64157, 128314, 192471, 256628, 320785, 384942, 641570, 769884, 962355, 1090669, 1283140, 1924710, 2181338, 3272007, 3849420, 4362676, 5453345, 6544014, 10906690, 13088028, 16360035, 21813380, 32720070, 65440140]

約数ペア:

[(1, 65440140), (2, 32720070), (3, 21813380), (4, 16360035), (5, 13088028), (6, 10906690), (10, 6544014), (12, 5453345), (15, 4362676), (17, 3849420), (20, 3272007), (30, 2181338), (34, 1924710), (51, 1283140), (60, 1090669), (68, 962355), (85, 769884), (102, 641570), (170, 384942), (204, 320785), (255, 256628), (340, 192471), (510, 128314), (1020, 64157)]