15616380

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{20021}}^1$

素因数の和:20046

約数の個数: 48

約数和(自身を含む): 47091744

約数和(自身を除く): 31475364

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, 20021, 40042, 60063, 80084, 100105, 120126, 200210, 240252, 260273, 300315, 400420, 520546, 600630, 780819, 1041092, 1201260, 1301365, 1561638, 2602730, 3123276, 3904095, 5205460, 7808190, 15616380]

約数ペア:

[(1, 15616380), (2, 7808190), (3, 5205460), (4, 3904095), (5, 3123276), (6, 2602730), (10, 1561638), (12, 1301365), (13, 1201260), (15, 1041092), (20, 780819), (26, 600630), (30, 520546), (39, 400420), (52, 300315), (60, 260273), (65, 240252), (78, 200210), (130, 120126), (156, 100105), (195, 80084), (260, 60063), (390, 40042), (780, 20021)]