31232760

素因数分解:

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

素因数の和:20048

約数の個数: 64

約数和(自身を含む): 100910880

約数和(自身を除く): 69678120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 195, 260, 312, 390, 520, 780, 1560, 20021, 40042, 60063, 80084, 100105, 120126, 160168, 200210, 240252, 260273, 300315, 400420, 480504, 520546, 600630, 780819, 800840, 1041092, 1201260, 1301365, 1561638, 2082184, 2402520, 2602730, 3123276, 3904095, 5205460, 6246552, 7808190, 10410920, 15616380, 31232760]

約数ペア:

[(1, 31232760), (2, 15616380), (3, 10410920), (4, 7808190), (5, 6246552), (6, 5205460), (8, 3904095), (10, 3123276), (12, 2602730), (13, 2402520), (15, 2082184), (20, 1561638), (24, 1301365), (26, 1201260), (30, 1041092), (39, 800840), (40, 780819), (52, 600630), (60, 520546), (65, 480504), (78, 400420), (104, 300315), (120, 260273), (130, 240252), (156, 200210), (195, 160168), (260, 120126), (312, 100105), (390, 80084), (520, 60063), (780, 40042), (1560, 20021)]