128609880

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{153107}}^1$

素因数の和:153128

約数の個数: 64

約数和(自身を含む): 440951040

約数和(自身を除く): 312341160

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 153107, 306214, 459321, 612428, 765535, 918642, 1071749, 1224856, 1531070, 1837284, 2143498, 2296605, 3062140, 3215247, 3674568, 4286996, 4593210, 5358745, 6124280, 6430494, 8573992, 9186420, 10717490, 12860988, 16076235, 18372840, 21434980, 25721976, 32152470, 42869960, 64304940, 128609880]

約数ペア:

[(1, 128609880), (2, 64304940), (3, 42869960), (4, 32152470), (5, 25721976), (6, 21434980), (7, 18372840), (8, 16076235), (10, 12860988), (12, 10717490), (14, 9186420), (15, 8573992), (20, 6430494), (21, 6124280), (24, 5358745), (28, 4593210), (30, 4286996), (35, 3674568), (40, 3215247), (42, 3062140), (56, 2296605), (60, 2143498), (70, 1837284), (84, 1531070), (105, 1224856), (120, 1071749), (140, 918642), (168, 765535), (210, 612428), (280, 459321), (420, 306214), (840, 153107)]