1520782380

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{649907}}^1$

素因数の和:649935

約数の個数: 72

約数和(自身を含む): 4967896752

約数和(自身を除く): 3447114372

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 65, 78, 90, 117, 130, 156, 180, 195, 234, 260, 390, 468, 585, 780, 1170, 2340, 649907, 1299814, 1949721, 2599628, 3249535, 3899442, 5849163, 6499070, 7798884, 8448791, 9748605, 11698326, 12998140, 16897582, 19497210, 23396652, 25346373, 29245815, 33795164, 38994420, 42243955, 50692746, 58491630, 76039119, 84487910, 101385492, 116983260, 126731865, 152078238, 168975820, 253463730, 304156476, 380195595, 506927460, 760391190, 1520782380]

約数ペア:

[(1, 1520782380), (2, 760391190), (3, 506927460), (4, 380195595), (5, 304156476), (6, 253463730), (9, 168975820), (10, 152078238), (12, 126731865), (13, 116983260), (15, 101385492), (18, 84487910), (20, 76039119), (26, 58491630), (30, 50692746), (36, 42243955), (39, 38994420), (45, 33795164), (52, 29245815), (60, 25346373), (65, 23396652), (78, 19497210), (90, 16897582), (117, 12998140), (130, 11698326), (156, 9748605), (180, 8448791), (195, 7798884), (234, 6499070), (260, 5849163), (390, 3899442), (468, 3249535), (585, 2599628), (780, 1949721), (1170, 1299814), (2340, 649907)]