157723920

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{439}}^1\times {\mathrm{499}}^1$

素因数の和:957

約数の個数: 120

約数和(自身を含む): 531960000

約数和(自身を除く): 374236080

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 439, 499, 720, 878, 998, 1317, 1497, 1756, 1996, 2195, 2495, 2634, 2994, 3512, 3951, 3992, 4390, 4491, 4990, 5268, 5988, 6585, 7024, 7485, 7902, 7984, 8780, 8982, 9980, 10536, 11976, 13170, 14970, 15804, 17560, 17964, 19755, 19960, 21072, 22455, 23952, 26340, 29940, 31608, 35120, 35928, 39510, 39920, 44910, 52680, 59880, 63216, 71856, 79020, 89820, 105360, 119760, 158040, 179640, 219061, 316080, 359280, 438122, 657183, 876244, 1095305, 1314366, 1752488, 1971549, 2190610, 2628732, 3285915, 3504976, 3943098, 4381220, 5257464, 6571830, 7886196, 8762440, 9857745, 10514928, 13143660, 15772392, 17524880, 19715490, 26287320, 31544784, 39430980, 52574640, 78861960, 157723920]

約数ペア:

[(1, 157723920), (2, 78861960), (3, 52574640), (4, 39430980), (5, 31544784), (6, 26287320), (8, 19715490), (9, 17524880), (10, 15772392), (12, 13143660), (15, 10514928), (16, 9857745), (18, 8762440), (20, 7886196), (24, 6571830), (30, 5257464), (36, 4381220), (40, 3943098), (45, 3504976), (48, 3285915), (60, 2628732), (72, 2190610), (80, 1971549), (90, 1752488), (120, 1314366), (144, 1095305), (180, 876244), (240, 657183), (360, 438122), (439, 359280), (499, 316080), (720, 219061), (878, 179640), (998, 158040), (1317, 119760), (1497, 105360), (1756, 89820), (1996, 79020), (2195, 71856), (2495, 63216), (2634, 59880), (2994, 52680), (3512, 44910), (3951, 39920), (3992, 39510), (4390, 35928), (4491, 35120), (4990, 31608), (5268, 29940), (5988, 26340), (6585, 23952), (7024, 22455), (7485, 21072), (7902, 19960), (7984, 19755), (8780, 17964), (8982, 17560), (9980, 15804), (10536, 14970), (11976, 13170)]