15251340

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19553}}^1$

素因数の和:19578

約数の個数: 48

約数和(自身を含む): 45991008

約数和(自身を除く): 30739668

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 19553, 39106, 58659, 78212, 97765, 117318, 195530, 234636, 254189, 293295, 391060, 508378, 586590, 762567, 1016756, 1173180, 1270945, 1525134, 2541890, 3050268, 3812835, 5083780, 7625670, 15251340]

約数ペア:

[(1, 15251340), (2, 7625670), (3, 5083780), (4, 3812835), (5, 3050268), (6, 2541890), (10, 1525134), (12, 1270945), (13, 1173180), (15, 1016756), (20, 762567), (26, 586590), (30, 508378), (39, 391060), (52, 293295), (60, 254189), (65, 234636), (78, 195530), (130, 117318), (156, 97765), (195, 78212), (260, 58659), (390, 39106), (780, 19553)]