78840840

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{50539}}^1$

素因数の和:50566

約数の個数: 64

約数和(自身を含む): 254721600

約数和(自身を除く): 175880760

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 195, 260, 312, 390, 520, 780, 1560, 50539, 101078, 151617, 202156, 252695, 303234, 404312, 505390, 606468, 657007, 758085, 1010780, 1212936, 1314014, 1516170, 1971021, 2021560, 2628028, 3032340, 3285035, 3942042, 5256056, 6064680, 6570070, 7884084, 9855105, 13140140, 15768168, 19710210, 26280280, 39420420, 78840840]

約数ペア:

[(1, 78840840), (2, 39420420), (3, 26280280), (4, 19710210), (5, 15768168), (6, 13140140), (8, 9855105), (10, 7884084), (12, 6570070), (13, 6064680), (15, 5256056), (20, 3942042), (24, 3285035), (26, 3032340), (30, 2628028), (39, 2021560), (40, 1971021), (52, 1516170), (60, 1314014), (65, 1212936), (78, 1010780), (104, 758085), (120, 657007), (130, 606468), (156, 505390), (195, 404312), (260, 303234), (312, 252695), (390, 202156), (520, 151617), (780, 101078), (1560, 50539)]