28308540

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{36293}}^1$

素因数の和:36318

約数の個数: 48

約数和(自身を含む): 85363488

約数和(自身を除く): 57054948

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 36293, 72586, 108879, 145172, 181465, 217758, 362930, 435516, 471809, 544395, 725860, 943618, 1088790, 1415427, 1887236, 2177580, 2359045, 2830854, 4718090, 5661708, 7077135, 9436180, 14154270, 28308540]

約数ペア:

[(1, 28308540), (2, 14154270), (3, 9436180), (4, 7077135), (5, 5661708), (6, 4718090), (10, 2830854), (12, 2359045), (13, 2177580), (15, 1887236), (20, 1415427), (26, 1088790), (30, 943618), (39, 725860), (52, 544395), (60, 471809), (65, 435516), (78, 362930), (130, 217758), (156, 181465), (195, 145172), (260, 108879), (390, 72586), (780, 36293)]