272113520

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{223}}^1\times {\mathrm{2179}}^1$

素因数の和:2422

約数の個数: 80

約数和(自身を含む): 726620160

約数和(自身を除く): 454506640

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 223, 280, 446, 560, 892, 1115, 1561, 1784, 2179, 2230, 3122, 3568, 4358, 4460, 6244, 7805, 8716, 8920, 10895, 12488, 15253, 15610, 17432, 17840, 21790, 24976, 30506, 31220, 34864, 43580, 61012, 62440, 76265, 87160, 122024, 124880, 152530, 174320, 244048, 305060, 485917, 610120, 971834, 1220240, 1943668, 2429585, 3401419, 3887336, 4859170, 6802838, 7774672, 9718340, 13605676, 17007095, 19436680, 27211352, 34014190, 38873360, 54422704, 68028380, 136056760, 272113520]

約数ペア:

[(1, 272113520), (2, 136056760), (4, 68028380), (5, 54422704), (7, 38873360), (8, 34014190), (10, 27211352), (14, 19436680), (16, 17007095), (20, 13605676), (28, 9718340), (35, 7774672), (40, 6802838), (56, 4859170), (70, 3887336), (80, 3401419), (112, 2429585), (140, 1943668), (223, 1220240), (280, 971834), (446, 610120), (560, 485917), (892, 305060), (1115, 244048), (1561, 174320), (1784, 152530), (2179, 124880), (2230, 122024), (3122, 87160), (3568, 76265), (4358, 62440), (4460, 61012), (6244, 43580), (7805, 34864), (8716, 31220), (8920, 30506), (10895, 24976), (12488, 21790), (15253, 17840), (15610, 17432)]