157023176840

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{906391}}^1$

素因数の和:906534

約数の個数: 64

約数和(自身を含む): 364152049920

約数和(自身を除く): 207128873080

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 71, 122, 142, 244, 284, 305, 355, 488, 568, 610, 710, 1220, 1420, 2440, 2840, 4331, 8662, 17324, 21655, 34648, 43310, 86620, 173240, 906391, 1812782, 3625564, 4531955, 7251128, 9063910, 18127820, 36255640, 55289851, 64353761, 110579702, 128707522, 221159404, 257415044, 276449255, 321768805, 442318808, 514830088, 552898510, 643537610, 1105797020, 1287075220, 2211594040, 2574150440, 3925579421, 7851158842, 15702317684, 19627897105, 31404635368, 39255794210, 78511588420, 157023176840]

約数ペア:

[(1, 157023176840), (2, 78511588420), (4, 39255794210), (5, 31404635368), (8, 19627897105), (10, 15702317684), (20, 7851158842), (40, 3925579421), (61, 2574150440), (71, 2211594040), (122, 1287075220), (142, 1105797020), (244, 643537610), (284, 552898510), (305, 514830088), (355, 442318808), (488, 321768805), (568, 276449255), (610, 257415044), (710, 221159404), (1220, 128707522), (1420, 110579702), (2440, 64353761), (2840, 55289851), (4331, 36255640), (8662, 18127820), (17324, 9063910), (21655, 7251128), (34648, 4531955), (43310, 3625564), (86620, 1812782), (173240, 906391)]