126243160

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{1669}}^1$

素因数の和:1772

約数の個数: 64

約数和(自身を含む): 298195200

約数和(自身を除く): 171952040

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, 1669, 1891, 2440, 3338, 3782, 6676, 7564, 8345, 9455, 13352, 15128, 16690, 18910, 33380, 37820, 51739, 66760, 75640, 101809, 103478, 203618, 206956, 258695, 407236, 413912, 509045, 517390, 814472, 1018090, 1034780, 2036180, 2069560, 3156079, 4072360, 6312158, 12624316, 15780395, 25248632, 31560790, 63121580, 126243160]

約数ペア:

[(1, 126243160), (2, 63121580), (4, 31560790), (5, 25248632), (8, 15780395), (10, 12624316), (20, 6312158), (31, 4072360), (40, 3156079), (61, 2069560), (62, 2036180), (122, 1034780), (124, 1018090), (155, 814472), (244, 517390), (248, 509045), (305, 413912), (310, 407236), (488, 258695), (610, 206956), (620, 203618), (1220, 103478), (1240, 101809), (1669, 75640), (1891, 66760), (2440, 51739), (3338, 37820), (3782, 33380), (6676, 18910), (7564, 16690), (8345, 15128), (9455, 13352)]