317985680

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{3833}}^1$

素因数の和:3924

約数の個数: 80

約数和(自身を含む): 795846384

約数和(自身を除く): 477860704

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 61, 68, 80, 85, 122, 136, 170, 244, 272, 305, 340, 488, 610, 680, 976, 1037, 1220, 1360, 2074, 2440, 3833, 4148, 4880, 5185, 7666, 8296, 10370, 15332, 16592, 19165, 20740, 30664, 38330, 41480, 61328, 65161, 76660, 82960, 130322, 153320, 233813, 260644, 306640, 325805, 467626, 521288, 651610, 935252, 1042576, 1169065, 1303220, 1870504, 2338130, 2606440, 3741008, 3974821, 4676260, 5212880, 7949642, 9352520, 15899284, 18705040, 19874105, 31798568, 39748210, 63597136, 79496420, 158992840, 317985680]

約数ペア:

[(1, 317985680), (2, 158992840), (4, 79496420), (5, 63597136), (8, 39748210), (10, 31798568), (16, 19874105), (17, 18705040), (20, 15899284), (34, 9352520), (40, 7949642), (61, 5212880), (68, 4676260), (80, 3974821), (85, 3741008), (122, 2606440), (136, 2338130), (170, 1870504), (244, 1303220), (272, 1169065), (305, 1042576), (340, 935252), (488, 651610), (610, 521288), (680, 467626), (976, 325805), (1037, 306640), (1220, 260644), (1360, 233813), (2074, 153320), (2440, 130322), (3833, 82960), (4148, 76660), (4880, 65161), (5185, 61328), (7666, 41480), (8296, 38330), (10370, 30664), (15332, 20740), (16592, 19165)]