72777980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{757}}^1$

素因数の和:819

約数の個数: 96

約数和(自身を含む): 183375360

約数和(自身を除く): 110597380

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 23, 38, 44, 46, 55, 76, 92, 95, 110, 115, 190, 209, 220, 230, 253, 380, 418, 437, 460, 506, 757, 836, 874, 1012, 1045, 1265, 1514, 1748, 2090, 2185, 2530, 3028, 3785, 4180, 4370, 4807, 5060, 7570, 8327, 8740, 9614, 14383, 15140, 16654, 17411, 19228, 24035, 28766, 33308, 34822, 41635, 48070, 57532, 69644, 71915, 83270, 87055, 96140, 143830, 158213, 166540, 174110, 191521, 287660, 316426, 330809, 348220, 383042, 632852, 661618, 766084, 791065, 957605, 1323236, 1582130, 1654045, 1915210, 3164260, 3308090, 3638899, 3830420, 6616180, 7277798, 14555596, 18194495, 36388990, 72777980]

約数ペア:

[(1, 72777980), (2, 36388990), (4, 18194495), (5, 14555596), (10, 7277798), (11, 6616180), (19, 3830420), (20, 3638899), (22, 3308090), (23, 3164260), (38, 1915210), (44, 1654045), (46, 1582130), (55, 1323236), (76, 957605), (92, 791065), (95, 766084), (110, 661618), (115, 632852), (190, 383042), (209, 348220), (220, 330809), (230, 316426), (253, 287660), (380, 191521), (418, 174110), (437, 166540), (460, 158213), (506, 143830), (757, 96140), (836, 87055), (874, 83270), (1012, 71915), (1045, 69644), (1265, 57532), (1514, 48070), (1748, 41635), (2090, 34822), (2185, 33308), (2530, 28766), (3028, 24035), (3785, 19228), (4180, 17411), (4370, 16654), (4807, 15140), (5060, 14383), (7570, 9614), (8327, 8740)]