128137890

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{83}}^1\times {\mathrm{51461}}^1$

素因数の和:51554

約数の個数: 32

約数和(自身を含む): 311242176

約数和(自身を除く): 183104286

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 83, 166, 249, 415, 498, 830, 1245, 2490, 51461, 102922, 154383, 257305, 308766, 514610, 771915, 1543830, 4271263, 8542526, 12813789, 21356315, 25627578, 42712630, 64068945, 128137890]

約数ペア:

[(1, 128137890), (2, 64068945), (3, 42712630), (5, 25627578), (6, 21356315), (10, 12813789), (15, 8542526), (30, 4271263), (83, 1543830), (166, 771915), (249, 514610), (415, 308766), (498, 257305), (830, 154383), (1245, 102922), (2490, 51461)]