139657560

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{166259}}^1$

素因数の和:166280

約数の個数: 64

約数和(自身を含む): 478828800

約数和(自身を除く): 339171240

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, 166259, 332518, 498777, 665036, 831295, 997554, 1163813, 1330072, 1662590, 1995108, 2327626, 2493885, 3325180, 3491439, 3990216, 4655252, 4987770, 5819065, 6650360, 6982878, 9310504, 9975540, 11638130, 13965756, 17457195, 19951080, 23276260, 27931512, 34914390, 46552520, 69828780, 139657560]

約数ペア:

[(1, 139657560), (2, 69828780), (3, 46552520), (4, 34914390), (5, 27931512), (6, 23276260), (7, 19951080), (8, 17457195), (10, 13965756), (12, 11638130), (14, 9975540), (15, 9310504), (20, 6982878), (21, 6650360), (24, 5819065), (28, 4987770), (30, 4655252), (35, 3990216), (40, 3491439), (42, 3325180), (56, 2493885), (60, 2327626), (70, 1995108), (84, 1662590), (105, 1330072), (120, 1163813), (140, 997554), (168, 831295), (210, 665036), (280, 498777), (420, 332518), (840, 166259)]