142127560

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{1879}}^1$

素因数の和:1982

約数の個数: 64

約数和(自身を含む): 335692800

約数和(自身を除く): 193565240

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 61, 62, 122, 124, 155, 244, 248, 305, 310, 488, 610, 620, 1220, 1240, 1879, 1891, 2440, 3758, 3782, 7516, 7564, 9395, 9455, 15032, 15128, 18790, 18910, 37580, 37820, 58249, 75160, 75640, 114619, 116498, 229238, 232996, 291245, 458476, 465992, 573095, 582490, 916952, 1146190, 1164980, 2292380, 2329960, 3553189, 4584760, 7106378, 14212756, 17765945, 28425512, 35531890, 71063780, 142127560]

約数ペア:

[(1, 142127560), (2, 71063780), (4, 35531890), (5, 28425512), (8, 17765945), (10, 14212756), (20, 7106378), (31, 4584760), (40, 3553189), (61, 2329960), (62, 2292380), (122, 1164980), (124, 1146190), (155, 916952), (244, 582490), (248, 573095), (305, 465992), (310, 458476), (488, 291245), (610, 232996), (620, 229238), (1220, 116498), (1240, 114619), (1879, 75640), (1891, 75160), (2440, 58249), (3758, 37820), (3782, 37580), (7516, 18910), (7564, 18790), (9395, 15128), (9455, 15032)]