90667120

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{163}}^1\times {\mathrm{409}}^1$

素因数の和:602

約数の個数: 80

約数和(自身を含む): 225119520

約数和(自身を除く): 134452400

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 163, 170, 272, 326, 340, 409, 652, 680, 815, 818, 1304, 1360, 1630, 1636, 2045, 2608, 2771, 3260, 3272, 4090, 5542, 6520, 6544, 6953, 8180, 11084, 13040, 13855, 13906, 16360, 22168, 27710, 27812, 32720, 34765, 44336, 55420, 55624, 66667, 69530, 110840, 111248, 133334, 139060, 221680, 266668, 278120, 333335, 533336, 556240, 666670, 1066672, 1133339, 1333340, 2266678, 2666680, 4533356, 5333360, 5666695, 9066712, 11333390, 18133424, 22666780, 45333560, 90667120]

約数ペア:

[(1, 90667120), (2, 45333560), (4, 22666780), (5, 18133424), (8, 11333390), (10, 9066712), (16, 5666695), (17, 5333360), (20, 4533356), (34, 2666680), (40, 2266678), (68, 1333340), (80, 1133339), (85, 1066672), (136, 666670), (163, 556240), (170, 533336), (272, 333335), (326, 278120), (340, 266668), (409, 221680), (652, 139060), (680, 133334), (815, 111248), (818, 110840), (1304, 69530), (1360, 66667), (1630, 55624), (1636, 55420), (2045, 44336), (2608, 34765), (2771, 32720), (3260, 27812), (3272, 27710), (4090, 22168), (5542, 16360), (6520, 13906), (6544, 13855), (6953, 13040), (8180, 11084)]