2308240

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1$

素因数の和:128

約数の個数: 80

約数和(自身を含む): 6088896

約数和(自身を除く): 3780656

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 43, 44, 55, 61, 80, 86, 88, 110, 122, 172, 176, 215, 220, 244, 305, 344, 430, 440, 473, 488, 610, 671, 688, 860, 880, 946, 976, 1220, 1342, 1720, 1892, 2365, 2440, 2623, 2684, 3355, 3440, 3784, 4730, 4880, 5246, 5368, 6710, 7568, 9460, 10492, 10736, 13115, 13420, 18920, 20984, 26230, 26840, 28853, 37840, 41968, 52460, 53680, 57706, 104920, 115412, 144265, 209840, 230824, 288530, 461648, 577060, 1154120, 2308240]

約数ペア:

[(1, 2308240), (2, 1154120), (4, 577060), (5, 461648), (8, 288530), (10, 230824), (11, 209840), (16, 144265), (20, 115412), (22, 104920), (40, 57706), (43, 53680), (44, 52460), (55, 41968), (61, 37840), (80, 28853), (86, 26840), (88, 26230), (110, 20984), (122, 18920), (172, 13420), (176, 13115), (215, 10736), (220, 10492), (244, 9460), (305, 7568), (344, 6710), (430, 5368), (440, 5246), (473, 4880), (488, 4730), (610, 3784), (671, 3440), (688, 3355), (860, 2684), (880, 2623), (946, 2440), (976, 2365), (1220, 1892), (1342, 1720)]