358491780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{28051}}^1$

素因数の和:28137

約数の個数: 72

約数和(自身を含む): 1102780224

約数和(自身を除く): 744288444

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 71, 90, 142, 180, 213, 284, 355, 426, 639, 710, 852, 1065, 1278, 1420, 2130, 2556, 3195, 4260, 6390, 12780, 28051, 56102, 84153, 112204, 140255, 168306, 252459, 280510, 336612, 420765, 504918, 561020, 841530, 1009836, 1262295, 1683060, 1991621, 2524590, 3983242, 5049180, 5974863, 7966484, 9958105, 11949726, 17924589, 19916210, 23899452, 29874315, 35849178, 39832420, 59748630, 71698356, 89622945, 119497260, 179245890, 358491780]

約数ペア:

[(1, 358491780), (2, 179245890), (3, 119497260), (4, 89622945), (5, 71698356), (6, 59748630), (9, 39832420), (10, 35849178), (12, 29874315), (15, 23899452), (18, 19916210), (20, 17924589), (30, 11949726), (36, 9958105), (45, 7966484), (60, 5974863), (71, 5049180), (90, 3983242), (142, 2524590), (180, 1991621), (213, 1683060), (284, 1262295), (355, 1009836), (426, 841530), (639, 561020), (710, 504918), (852, 420765), (1065, 336612), (1278, 280510), (1420, 252459), (2130, 168306), (2556, 140255), (3195, 112204), (4260, 84153), (6390, 56102), (12780, 28051)]