2845040

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{61}}^1$

素因数の和:138

約数の個数: 80

約数和(自身を含む): 7472736

約数和(自身を除く): 4627696

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 53, 55, 61, 80, 88, 106, 110, 122, 176, 212, 220, 244, 265, 305, 424, 440, 488, 530, 583, 610, 671, 848, 880, 976, 1060, 1166, 1220, 1342, 2120, 2332, 2440, 2684, 2915, 3233, 3355, 4240, 4664, 4880, 5368, 5830, 6466, 6710, 9328, 10736, 11660, 12932, 13420, 16165, 23320, 25864, 26840, 32330, 35563, 46640, 51728, 53680, 64660, 71126, 129320, 142252, 177815, 258640, 284504, 355630, 569008, 711260, 1422520, 2845040]

約数ペア:

[(1, 2845040), (2, 1422520), (4, 711260), (5, 569008), (8, 355630), (10, 284504), (11, 258640), (16, 177815), (20, 142252), (22, 129320), (40, 71126), (44, 64660), (53, 53680), (55, 51728), (61, 46640), (80, 35563), (88, 32330), (106, 26840), (110, 25864), (122, 23320), (176, 16165), (212, 13420), (220, 12932), (244, 11660), (265, 10736), (305, 9328), (424, 6710), (440, 6466), (488, 5830), (530, 5368), (583, 4880), (610, 4664), (671, 4240), (848, 3355), (880, 3233), (976, 2915), (1060, 2684), (1166, 2440), (1220, 2332), (1342, 2120)]