1301979640

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{18013}}^1$

素因数の和:18176

約数の個数: 64

約数和(自身を含む): 3177669600

約数和(自身を除く): 1875689960

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 139, 260, 278, 520, 556, 695, 1112, 1390, 1807, 2780, 3614, 5560, 7228, 9035, 14456, 18013, 18070, 36026, 36140, 72052, 72280, 90065, 144104, 180130, 234169, 360260, 468338, 720520, 936676, 1170845, 1873352, 2341690, 2503807, 4683380, 5007614, 9366760, 10015228, 12519035, 20030456, 25038070, 32549491, 50076140, 65098982, 100152280, 130197964, 162747455, 260395928, 325494910, 650989820, 1301979640]

約数ペア:

[(1, 1301979640), (2, 650989820), (4, 325494910), (5, 260395928), (8, 162747455), (10, 130197964), (13, 100152280), (20, 65098982), (26, 50076140), (40, 32549491), (52, 25038070), (65, 20030456), (104, 12519035), (130, 10015228), (139, 9366760), (260, 5007614), (278, 4683380), (520, 2503807), (556, 2341690), (695, 1873352), (1112, 1170845), (1390, 936676), (1807, 720520), (2780, 468338), (3614, 360260), (5560, 234169), (7228, 180130), (9035, 144104), (14456, 90065), (18013, 72280), (18070, 72052), (36026, 36140)]