78286480

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{157}}^1\times {\mathrm{271}}^1$

素因数の和:464

約数の個数: 80

約数和(自身を含む): 191844864

約数和(自身を除く): 113558384

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 46, 80, 92, 115, 157, 184, 230, 271, 314, 368, 460, 542, 628, 785, 920, 1084, 1256, 1355, 1570, 1840, 2168, 2512, 2710, 3140, 3611, 4336, 5420, 6233, 6280, 7222, 10840, 12466, 12560, 14444, 18055, 21680, 24932, 28888, 31165, 36110, 42547, 49864, 57776, 62330, 72220, 85094, 99728, 124660, 144440, 170188, 212735, 249320, 288880, 340376, 425470, 498640, 680752, 850940, 978581, 1701880, 1957162, 3403760, 3914324, 4892905, 7828648, 9785810, 15657296, 19571620, 39143240, 78286480]

約数ペア:

[(1, 78286480), (2, 39143240), (4, 19571620), (5, 15657296), (8, 9785810), (10, 7828648), (16, 4892905), (20, 3914324), (23, 3403760), (40, 1957162), (46, 1701880), (80, 978581), (92, 850940), (115, 680752), (157, 498640), (184, 425470), (230, 340376), (271, 288880), (314, 249320), (368, 212735), (460, 170188), (542, 144440), (628, 124660), (785, 99728), (920, 85094), (1084, 72220), (1256, 62330), (1355, 57776), (1570, 49864), (1840, 42547), (2168, 36110), (2512, 31165), (2710, 28888), (3140, 24932), (3611, 21680), (4336, 18055), (5420, 14444), (6233, 12560), (6280, 12466), (7222, 10840)]