715661720

素因数分解:

$2^3\times 5^1\times {\mathrm{191}}^1\times {\mathrm{283}}^1\times {\mathrm{331}}^1$

素因数の和:816

約数の個数: 64

約数和(自身を含む): 1629296640

約数和(自身を除く): 913634920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 191, 283, 331, 382, 566, 662, 764, 955, 1132, 1324, 1415, 1528, 1655, 1910, 2264, 2648, 2830, 3310, 3820, 5660, 6620, 7640, 11320, 13240, 54053, 63221, 93673, 108106, 126442, 187346, 216212, 252884, 270265, 316105, 374692, 432424, 468365, 505768, 540530, 632210, 749384, 936730, 1081060, 1264420, 1873460, 2162120, 2528840, 3746920, 17891543, 35783086, 71566172, 89457715, 143132344, 178915430, 357830860, 715661720]

約数ペア:

[(1, 715661720), (2, 357830860), (4, 178915430), (5, 143132344), (8, 89457715), (10, 71566172), (20, 35783086), (40, 17891543), (191, 3746920), (283, 2528840), (331, 2162120), (382, 1873460), (566, 1264420), (662, 1081060), (764, 936730), (955, 749384), (1132, 632210), (1324, 540530), (1415, 505768), (1528, 468365), (1655, 432424), (1910, 374692), (2264, 316105), (2648, 270265), (2830, 252884), (3310, 216212), (3820, 187346), (5660, 126442), (6620, 108106), (7640, 93673), (11320, 63221), (13240, 54053)]