78783280

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{911}}^1$

素因数の和:994

約数の個数: 80

約数和(自身を含む): 195416064

約数和(自身を除く): 116632784

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 46, 47, 80, 92, 94, 115, 184, 188, 230, 235, 368, 376, 460, 470, 752, 911, 920, 940, 1081, 1822, 1840, 1880, 2162, 3644, 3760, 4324, 4555, 5405, 7288, 8648, 9110, 10810, 14576, 17296, 18220, 20953, 21620, 36440, 41906, 42817, 43240, 72880, 83812, 85634, 86480, 104765, 167624, 171268, 209530, 214085, 335248, 342536, 419060, 428170, 685072, 838120, 856340, 984791, 1676240, 1712680, 1969582, 3425360, 3939164, 4923955, 7878328, 9847910, 15756656, 19695820, 39391640, 78783280]

約数ペア:

[(1, 78783280), (2, 39391640), (4, 19695820), (5, 15756656), (8, 9847910), (10, 7878328), (16, 4923955), (20, 3939164), (23, 3425360), (40, 1969582), (46, 1712680), (47, 1676240), (80, 984791), (92, 856340), (94, 838120), (115, 685072), (184, 428170), (188, 419060), (230, 342536), (235, 335248), (368, 214085), (376, 209530), (460, 171268), (470, 167624), (752, 104765), (911, 86480), (920, 85634), (940, 83812), (1081, 72880), (1822, 43240), (1840, 42817), (1880, 41906), (2162, 36440), (3644, 21620), (3760, 20953), (4324, 18220), (4555, 17296), (5405, 14576), (7288, 10810), (8648, 9110)]