80617740

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{1613}}^1$

素因数の和:1656

約数の個数: 144

約数和(自身を含む): 278201952

約数和(自身を除く): 197584212

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 17, 20, 21, 28, 30, 34, 35, 42, 49, 51, 60, 68, 70, 84, 85, 98, 102, 105, 119, 140, 147, 170, 196, 204, 210, 238, 245, 255, 294, 340, 357, 420, 476, 490, 510, 588, 595, 714, 735, 833, 980, 1020, 1190, 1428, 1470, 1613, 1666, 1785, 2380, 2499, 2940, 3226, 3332, 3570, 4165, 4839, 4998, 6452, 7140, 8065, 8330, 9678, 9996, 11291, 12495, 16130, 16660, 19356, 22582, 24195, 24990, 27421, 32260, 33873, 45164, 48390, 49980, 54842, 56455, 67746, 79037, 82263, 96780, 109684, 112910, 135492, 137105, 158074, 164526, 169365, 191947, 225820, 237111, 274210, 316148, 329052, 338730, 383894, 395185, 411315, 474222, 548420, 575841, 677460, 767788, 790370, 822630, 948444, 959735, 1151682, 1185555, 1343629, 1580740, 1645260, 1919470, 2303364, 2371110, 2687258, 2879205, 3838940, 4030887, 4742220, 5374516, 5758410, 6718145, 8061774, 11516820, 13436290, 16123548, 20154435, 26872580, 40308870, 80617740]

約数ペア:

[(1, 80617740), (2, 40308870), (3, 26872580), (4, 20154435), (5, 16123548), (6, 13436290), (7, 11516820), (10, 8061774), (12, 6718145), (14, 5758410), (15, 5374516), (17, 4742220), (20, 4030887), (21, 3838940), (28, 2879205), (30, 2687258), (34, 2371110), (35, 2303364), (42, 1919470), (49, 1645260), (51, 1580740), (60, 1343629), (68, 1185555), (70, 1151682), (84, 959735), (85, 948444), (98, 822630), (102, 790370), (105, 767788), (119, 677460), (140, 575841), (147, 548420), (170, 474222), (196, 411315), (204, 395185), (210, 383894), (238, 338730), (245, 329052), (255, 316148), (294, 274210), (340, 237111), (357, 225820), (420, 191947), (476, 169365), (490, 164526), (510, 158074), (588, 137105), (595, 135492), (714, 112910), (735, 109684), (833, 96780), (980, 82263), (1020, 79037), (1190, 67746), (1428, 56455), (1470, 54842), (1613, 49980), (1666, 48390), (1785, 45164), (2380, 33873), (2499, 32260), (2940, 27421), (3226, 24990), (3332, 24195), (3570, 22582), (4165, 19356), (4839, 16660), (4998, 16130), (6452, 12495), (7140, 11291), (8065, 9996), (8330, 9678)]