157420520

素因数分解:

$2^3\times 5^1\times {\mathrm{67}}^1\times {\mathrm{151}}^1\times {\mathrm{389}}^1$

素因数の和:618

約数の個数: 64

約数和(自身を含む): 362793600

約数和(自身を除く): 205373080

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 67, 134, 151, 268, 302, 335, 389, 536, 604, 670, 755, 778, 1208, 1340, 1510, 1556, 1945, 2680, 3020, 3112, 3890, 6040, 7780, 10117, 15560, 20234, 26063, 40468, 50585, 52126, 58739, 80936, 101170, 104252, 117478, 130315, 202340, 208504, 234956, 260630, 293695, 404680, 469912, 521260, 587390, 1042520, 1174780, 2349560, 3935513, 7871026, 15742052, 19677565, 31484104, 39355130, 78710260, 157420520]

約数ペア:

[(1, 157420520), (2, 78710260), (4, 39355130), (5, 31484104), (8, 19677565), (10, 15742052), (20, 7871026), (40, 3935513), (67, 2349560), (134, 1174780), (151, 1042520), (268, 587390), (302, 521260), (335, 469912), (389, 404680), (536, 293695), (604, 260630), (670, 234956), (755, 208504), (778, 202340), (1208, 130315), (1340, 117478), (1510, 104252), (1556, 101170), (1945, 80936), (2680, 58739), (3020, 52126), (3112, 50585), (3890, 40468), (6040, 26063), (7780, 20234), (10117, 15560)]