1422520

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{61}}^1$

素因数の和:136

約数の個数: 64

約数和(自身を含む): 3615840

約数和(自身を除く): 2193320

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 53, 55, 61, 88, 106, 110, 122, 212, 220, 244, 265, 305, 424, 440, 488, 530, 583, 610, 671, 1060, 1166, 1220, 1342, 2120, 2332, 2440, 2684, 2915, 3233, 3355, 4664, 5368, 5830, 6466, 6710, 11660, 12932, 13420, 16165, 23320, 25864, 26840, 32330, 35563, 64660, 71126, 129320, 142252, 177815, 284504, 355630, 711260, 1422520]

約数ペア:

[(1, 1422520), (2, 711260), (4, 355630), (5, 284504), (8, 177815), (10, 142252), (11, 129320), (20, 71126), (22, 64660), (40, 35563), (44, 32330), (53, 26840), (55, 25864), (61, 23320), (88, 16165), (106, 13420), (110, 12932), (122, 11660), (212, 6710), (220, 6466), (244, 5830), (265, 5368), (305, 4664), (424, 3355), (440, 3233), (488, 2915), (530, 2684), (583, 2440), (610, 2332), (671, 2120), (1060, 1342), (1166, 1220)]