80460940

素因数分解:

$2^2\times 5^1\times 7^3\times {\mathrm{37}}^1\times {\mathrm{317}}^1$

素因数の和:384

約数の個数: 96

約数和(自身を含む): 203011200

約数和(自身を除く): 122550260

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 37, 49, 70, 74, 98, 140, 148, 185, 196, 245, 259, 317, 343, 370, 490, 518, 634, 686, 740, 980, 1036, 1268, 1295, 1372, 1585, 1715, 1813, 2219, 2590, 3170, 3430, 3626, 4438, 5180, 6340, 6860, 7252, 8876, 9065, 11095, 11729, 12691, 15533, 18130, 22190, 23458, 25382, 31066, 36260, 44380, 46916, 50764, 58645, 62132, 63455, 77665, 82103, 108731, 117290, 126910, 155330, 164206, 217462, 234580, 253820, 310660, 328412, 410515, 434924, 543655, 574721, 821030, 1087310, 1149442, 1642060, 2174620, 2298884, 2873605, 4023047, 5747210, 8046094, 11494420, 16092188, 20115235, 40230470, 80460940]

約数ペア:

[(1, 80460940), (2, 40230470), (4, 20115235), (5, 16092188), (7, 11494420), (10, 8046094), (14, 5747210), (20, 4023047), (28, 2873605), (35, 2298884), (37, 2174620), (49, 1642060), (70, 1149442), (74, 1087310), (98, 821030), (140, 574721), (148, 543655), (185, 434924), (196, 410515), (245, 328412), (259, 310660), (317, 253820), (343, 234580), (370, 217462), (490, 164206), (518, 155330), (634, 126910), (686, 117290), (740, 108731), (980, 82103), (1036, 77665), (1268, 63455), (1295, 62132), (1372, 58645), (1585, 50764), (1715, 46916), (1813, 44380), (2219, 36260), (2590, 31066), (3170, 25382), (3430, 23458), (3626, 22190), (4438, 18130), (5180, 15533), (6340, 12691), (6860, 11729), (7252, 11095), (8876, 9065)]