2169160

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{127}}^1$

素因数の和:206

約数の個数: 64

約数和(自身を含む): 5713920

約数和(自身を除く): 3544760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 61, 70, 122, 127, 140, 244, 254, 280, 305, 427, 488, 508, 610, 635, 854, 889, 1016, 1220, 1270, 1708, 1778, 2135, 2440, 2540, 3416, 3556, 4270, 4445, 5080, 7112, 7747, 8540, 8890, 15494, 17080, 17780, 30988, 35560, 38735, 54229, 61976, 77470, 108458, 154940, 216916, 271145, 309880, 433832, 542290, 1084580, 2169160]

約数ペア:

[(1, 2169160), (2, 1084580), (4, 542290), (5, 433832), (7, 309880), (8, 271145), (10, 216916), (14, 154940), (20, 108458), (28, 77470), (35, 61976), (40, 54229), (56, 38735), (61, 35560), (70, 30988), (122, 17780), (127, 17080), (140, 15494), (244, 8890), (254, 8540), (280, 7747), (305, 7112), (427, 5080), (488, 4445), (508, 4270), (610, 3556), (635, 3416), (854, 2540), (889, 2440), (1016, 2135), (1220, 1778), (1270, 1708)]