72660490

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{107}}^1\times {\mathrm{109}}^1$

素因数の和:319

約数の個数: 64

約数和(自身を含む): 153964800

約数和(自身を除く): 81304310

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 89, 107, 109, 178, 214, 218, 445, 535, 545, 623, 749, 763, 890, 1070, 1090, 1246, 1498, 1526, 3115, 3745, 3815, 6230, 7490, 7630, 9523, 9701, 11663, 19046, 19402, 23326, 47615, 48505, 58315, 66661, 67907, 81641, 95230, 97010, 116630, 133322, 135814, 163282, 333305, 339535, 408205, 666610, 679070, 816410, 1038007, 2076014, 5190035, 7266049, 10380070, 14532098, 36330245, 72660490]

約数ペア:

[(1, 72660490), (2, 36330245), (5, 14532098), (7, 10380070), (10, 7266049), (14, 5190035), (35, 2076014), (70, 1038007), (89, 816410), (107, 679070), (109, 666610), (178, 408205), (214, 339535), (218, 333305), (445, 163282), (535, 135814), (545, 133322), (623, 116630), (749, 97010), (763, 95230), (890, 81641), (1070, 67907), (1090, 66661), (1246, 58315), (1498, 48505), (1526, 47615), (3115, 23326), (3745, 19402), (3815, 19046), (6230, 11663), (7490, 9701), (7630, 9523)]