128947560

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{153509}}^1$

素因数の和:153530

約数の個数: 64

約数和(自身を含む): 442108800

約数和(自身を除く): 313161240

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, 153509, 307018, 460527, 614036, 767545, 921054, 1074563, 1228072, 1535090, 1842108, 2149126, 2302635, 3070180, 3223689, 3684216, 4298252, 4605270, 5372815, 6140360, 6447378, 8596504, 9210540, 10745630, 12894756, 16118445, 18421080, 21491260, 25789512, 32236890, 42982520, 64473780, 128947560]

約数ペア:

[(1, 128947560), (2, 64473780), (3, 42982520), (4, 32236890), (5, 25789512), (6, 21491260), (7, 18421080), (8, 16118445), (10, 12894756), (12, 10745630), (14, 9210540), (15, 8596504), (20, 6447378), (21, 6140360), (24, 5372815), (28, 4605270), (30, 4298252), (35, 3684216), (40, 3223689), (42, 3070180), (56, 2302635), (60, 2149126), (70, 1842108), (84, 1535090), (105, 1228072), (120, 1074563), (140, 921054), (168, 767545), (210, 614036), (280, 460527), (420, 307018), (840, 153509)]