64939740

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{12161}}^1$

素因数の和:12262

約数の個数: 48

約数和(自身を含む): 183889440

約数和(自身を除く): 118949700

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 89, 178, 267, 356, 445, 534, 890, 1068, 1335, 1780, 2670, 5340, 12161, 24322, 36483, 48644, 60805, 72966, 121610, 145932, 182415, 243220, 364830, 729660, 1082329, 2164658, 3246987, 4329316, 5411645, 6493974, 10823290, 12987948, 16234935, 21646580, 32469870, 64939740]

約数ペア:

[(1, 64939740), (2, 32469870), (3, 21646580), (4, 16234935), (5, 12987948), (6, 10823290), (10, 6493974), (12, 5411645), (15, 4329316), (20, 3246987), (30, 2164658), (60, 1082329), (89, 729660), (178, 364830), (267, 243220), (356, 182415), (445, 145932), (534, 121610), (890, 72966), (1068, 60805), (1335, 48644), (1780, 36483), (2670, 24322), (5340, 12161)]