890665620

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{839}}^1\times {\mathrm{1361}}^1$

素因数の和:2225

約数の個数: 96

約数和(自身を含む): 2690876160

約数和(自身を除く): 1800210540

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, 839, 1361, 1678, 2517, 2722, 3356, 4083, 4195, 5034, 5444, 6805, 8166, 8390, 10068, 10907, 12585, 13610, 16332, 16780, 17693, 20415, 21814, 25170, 27220, 32721, 35386, 40830, 43628, 50340, 53079, 54535, 65442, 70772, 81660, 88465, 106158, 109070, 130884, 163605, 176930, 212316, 218140, 265395, 327210, 353860, 530790, 654420, 1061580, 1141879, 2283758, 3425637, 4567516, 5709395, 6851274, 11418790, 13702548, 14844427, 17128185, 22837580, 29688854, 34256370, 44533281, 59377708, 68512740, 74222135, 89066562, 148444270, 178133124, 222666405, 296888540, 445332810, 890665620]

約数ペア:

[(1, 890665620), (2, 445332810), (3, 296888540), (4, 222666405), (5, 178133124), (6, 148444270), (10, 89066562), (12, 74222135), (13, 68512740), (15, 59377708), (20, 44533281), (26, 34256370), (30, 29688854), (39, 22837580), (52, 17128185), (60, 14844427), (65, 13702548), (78, 11418790), (130, 6851274), (156, 5709395), (195, 4567516), (260, 3425637), (390, 2283758), (780, 1141879), (839, 1061580), (1361, 654420), (1678, 530790), (2517, 353860), (2722, 327210), (3356, 265395), (4083, 218140), (4195, 212316), (5034, 176930), (5444, 163605), (6805, 130884), (8166, 109070), (8390, 106158), (10068, 88465), (10907, 81660), (12585, 70772), (13610, 65442), (16332, 54535), (16780, 53079), (17693, 50340), (20415, 43628), (21814, 40830), (25170, 35386), (27220, 32721)]