80768220

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{103549}}^1$

素因数の和:103574

約数の個数: 48

約数和(自身を含む): 243549600

約数和(自身を除く): 162781380

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, 103549, 207098, 310647, 414196, 517745, 621294, 1035490, 1242588, 1346137, 1553235, 2070980, 2692274, 3106470, 4038411, 5384548, 6212940, 6730685, 8076822, 13461370, 16153644, 20192055, 26922740, 40384110, 80768220]

約数ペア:

[(1, 80768220), (2, 40384110), (3, 26922740), (4, 20192055), (5, 16153644), (6, 13461370), (10, 8076822), (12, 6730685), (13, 6212940), (15, 5384548), (20, 4038411), (26, 3106470), (30, 2692274), (39, 2070980), (52, 1553235), (60, 1346137), (65, 1242588), (78, 1035490), (130, 621294), (156, 517745), (195, 414196), (260, 310647), (390, 207098), (780, 103549)]