80929680

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{25939}}^1$

素因数の和:25968

約数の個数: 80

約数和(自身を含む): 270191040

約数和(自身を除く): 189261360

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 39, 40, 48, 52, 60, 65, 78, 80, 104, 120, 130, 156, 195, 208, 240, 260, 312, 390, 520, 624, 780, 1040, 1560, 3120, 25939, 51878, 77817, 103756, 129695, 155634, 207512, 259390, 311268, 337207, 389085, 415024, 518780, 622536, 674414, 778170, 1011621, 1037560, 1245072, 1348828, 1556340, 1686035, 2023242, 2075120, 2697656, 3112680, 3372070, 4046484, 5058105, 5395312, 6225360, 6744140, 8092968, 10116210, 13488280, 16185936, 20232420, 26976560, 40464840, 80929680]

約数ペア:

[(1, 80929680), (2, 40464840), (3, 26976560), (4, 20232420), (5, 16185936), (6, 13488280), (8, 10116210), (10, 8092968), (12, 6744140), (13, 6225360), (15, 5395312), (16, 5058105), (20, 4046484), (24, 3372070), (26, 3112680), (30, 2697656), (39, 2075120), (40, 2023242), (48, 1686035), (52, 1556340), (60, 1348828), (65, 1245072), (78, 1037560), (80, 1011621), (104, 778170), (120, 674414), (130, 622536), (156, 518780), (195, 415024), (208, 389085), (240, 337207), (260, 311268), (312, 259390), (390, 207512), (520, 155634), (624, 129695), (780, 103756), (1040, 77817), (1560, 51878), (3120, 25939)]