72604640

素因数分解:

$2^5\times 5^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{173}}^1$

素因数の和:292

約数の個数: 96

約数和(自身を含む): 179426016

約数和(自身を除く): 106821376

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 43, 61, 80, 86, 122, 160, 172, 173, 215, 244, 305, 344, 346, 430, 488, 610, 688, 692, 860, 865, 976, 1220, 1376, 1384, 1720, 1730, 1952, 2440, 2623, 2768, 3440, 3460, 4880, 5246, 5536, 6880, 6920, 7439, 9760, 10492, 10553, 13115, 13840, 14878, 20984, 21106, 26230, 27680, 29756, 37195, 41968, 42212, 52460, 52765, 59512, 74390, 83936, 84424, 104920, 105530, 119024, 148780, 168848, 209840, 211060, 238048, 297560, 337696, 419680, 422120, 453779, 595120, 844240, 907558, 1190240, 1688480, 1815116, 2268895, 3630232, 4537790, 7260464, 9075580, 14520928, 18151160, 36302320, 72604640]

約数ペア:

[(1, 72604640), (2, 36302320), (4, 18151160), (5, 14520928), (8, 9075580), (10, 7260464), (16, 4537790), (20, 3630232), (32, 2268895), (40, 1815116), (43, 1688480), (61, 1190240), (80, 907558), (86, 844240), (122, 595120), (160, 453779), (172, 422120), (173, 419680), (215, 337696), (244, 297560), (305, 238048), (344, 211060), (346, 209840), (430, 168848), (488, 148780), (610, 119024), (688, 105530), (692, 104920), (860, 84424), (865, 83936), (976, 74390), (1220, 59512), (1376, 52765), (1384, 52460), (1720, 42212), (1730, 41968), (1952, 37195), (2440, 29756), (2623, 27680), (2768, 26230), (3440, 21106), (3460, 20984), (4880, 14878), (5246, 13840), (5536, 13115), (6880, 10553), (6920, 10492), (7439, 9760)]