15902380

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1973}}^1$

素因数の和:2026

約数の個数: 48

約数和(自身を含む): 37142784

約数和(自身を除く): 21240404

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 31, 52, 62, 65, 124, 130, 155, 260, 310, 403, 620, 806, 1612, 1973, 2015, 3946, 4030, 7892, 8060, 9865, 19730, 25649, 39460, 51298, 61163, 102596, 122326, 128245, 244652, 256490, 305815, 512980, 611630, 795119, 1223260, 1590238, 3180476, 3975595, 7951190, 15902380]

約数ペア:

[(1, 15902380), (2, 7951190), (4, 3975595), (5, 3180476), (10, 1590238), (13, 1223260), (20, 795119), (26, 611630), (31, 512980), (52, 305815), (62, 256490), (65, 244652), (124, 128245), (130, 122326), (155, 102596), (260, 61163), (310, 51298), (403, 39460), (620, 25649), (806, 19730), (1612, 9865), (1973, 8060), (2015, 7892), (3946, 4030)]