1581133424

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{379}}^1\times {\mathrm{647}}^1$

素因数の和:1078

約数の個数: 80

約数和(自身を含む): 3419781120

約数和(自身を除く): 1838647696

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 52, 62, 104, 124, 208, 248, 379, 403, 496, 647, 758, 806, 1294, 1516, 1612, 2588, 3032, 3224, 4927, 5176, 6064, 6448, 8411, 9854, 10352, 11749, 16822, 19708, 20057, 23498, 33644, 39416, 40114, 46996, 67288, 78832, 80228, 93992, 134576, 152737, 160456, 187984, 245213, 260741, 305474, 320912, 490426, 521482, 610948, 980852, 1042964, 1221896, 1961704, 2085928, 2443792, 3187769, 3923408, 4171856, 6375538, 7601603, 12751076, 15203206, 25502152, 30406412, 51004304, 60812824, 98820839, 121625648, 197641678, 395283356, 790566712, 1581133424]

約数ペア:

[(1, 1581133424), (2, 790566712), (4, 395283356), (8, 197641678), (13, 121625648), (16, 98820839), (26, 60812824), (31, 51004304), (52, 30406412), (62, 25502152), (104, 15203206), (124, 12751076), (208, 7601603), (248, 6375538), (379, 4171856), (403, 3923408), (496, 3187769), (647, 2443792), (758, 2085928), (806, 1961704), (1294, 1221896), (1516, 1042964), (1612, 980852), (2588, 610948), (3032, 521482), (3224, 490426), (4927, 320912), (5176, 305474), (6064, 260741), (6448, 245213), (8411, 187984), (9854, 160456), (10352, 152737), (11749, 134576), (16822, 93992), (19708, 80228), (20057, 78832), (23498, 67288), (33644, 46996), (39416, 40114)]