121773520

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{1949}}^1$

素因数の和:2044

約数の個数: 80

約数和(自身を含む): 313372800

約数和(自身を除く): 191599280

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 71, 80, 88, 110, 142, 176, 220, 284, 355, 440, 568, 710, 781, 880, 1136, 1420, 1562, 1949, 2840, 3124, 3898, 3905, 5680, 6248, 7796, 7810, 9745, 12496, 15592, 15620, 19490, 21439, 31184, 31240, 38980, 42878, 62480, 77960, 85756, 107195, 138379, 155920, 171512, 214390, 276758, 343024, 428780, 553516, 691895, 857560, 1107032, 1383790, 1522169, 1715120, 2214064, 2767580, 3044338, 5535160, 6088676, 7610845, 11070320, 12177352, 15221690, 24354704, 30443380, 60886760, 121773520]

約数ペア:

[(1, 121773520), (2, 60886760), (4, 30443380), (5, 24354704), (8, 15221690), (10, 12177352), (11, 11070320), (16, 7610845), (20, 6088676), (22, 5535160), (40, 3044338), (44, 2767580), (55, 2214064), (71, 1715120), (80, 1522169), (88, 1383790), (110, 1107032), (142, 857560), (176, 691895), (220, 553516), (284, 428780), (355, 343024), (440, 276758), (568, 214390), (710, 171512), (781, 155920), (880, 138379), (1136, 107195), (1420, 85756), (1562, 77960), (1949, 62480), (2840, 42878), (3124, 38980), (3898, 31240), (3905, 31184), (5680, 21439), (6248, 19490), (7796, 15620), (7810, 15592), (9745, 12496)]