159487540

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^2\times {\mathrm{41}}^1\times {\mathrm{673}}^1$

素因数の和:757

約数の個数: 72

約数和(自身を含む): 365003352

約数和(自身を除く): 205515812

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 41, 68, 82, 85, 164, 170, 205, 289, 340, 410, 578, 673, 697, 820, 1156, 1346, 1394, 1445, 2692, 2788, 2890, 3365, 3485, 5780, 6730, 6970, 11441, 11849, 13460, 13940, 22882, 23698, 27593, 45764, 47396, 55186, 57205, 59245, 110372, 114410, 118490, 137965, 194497, 228820, 236980, 275930, 388994, 469081, 551860, 777988, 938162, 972485, 1876324, 1944970, 2345405, 3889940, 4690810, 7974377, 9381620, 15948754, 31897508, 39871885, 79743770, 159487540]

約数ペア:

[(1, 159487540), (2, 79743770), (4, 39871885), (5, 31897508), (10, 15948754), (17, 9381620), (20, 7974377), (34, 4690810), (41, 3889940), (68, 2345405), (82, 1944970), (85, 1876324), (164, 972485), (170, 938162), (205, 777988), (289, 551860), (340, 469081), (410, 388994), (578, 275930), (673, 236980), (697, 228820), (820, 194497), (1156, 137965), (1346, 118490), (1394, 114410), (1445, 110372), (2692, 59245), (2788, 57205), (2890, 55186), (3365, 47396), (3485, 45764), (5780, 27593), (6730, 23698), (6970, 22882), (11441, 13940), (11849, 13460)]