82761900

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{21221}}^1$

素因数の和:21251

約数の個数: 72

約数和(自身を含む): 257889744

約数和(自身を除く): 175127844

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 25, 26, 30, 39, 50, 52, 60, 65, 75, 78, 100, 130, 150, 156, 195, 260, 300, 325, 390, 650, 780, 975, 1300, 1950, 3900, 21221, 42442, 63663, 84884, 106105, 127326, 212210, 254652, 275873, 318315, 424420, 530525, 551746, 636630, 827619, 1061050, 1103492, 1273260, 1379365, 1591575, 1655238, 2122100, 2758730, 3183150, 3310476, 4138095, 5517460, 6366300, 6896825, 8276190, 13793650, 16552380, 20690475, 27587300, 41380950, 82761900]

約数ペア:

[(1, 82761900), (2, 41380950), (3, 27587300), (4, 20690475), (5, 16552380), (6, 13793650), (10, 8276190), (12, 6896825), (13, 6366300), (15, 5517460), (20, 4138095), (25, 3310476), (26, 3183150), (30, 2758730), (39, 2122100), (50, 1655238), (52, 1591575), (60, 1379365), (65, 1273260), (75, 1103492), (78, 1061050), (100, 827619), (130, 636630), (150, 551746), (156, 530525), (195, 424420), (260, 318315), (300, 275873), (325, 254652), (390, 212210), (650, 127326), (780, 106105), (975, 84884), (1300, 63663), (1950, 42442), (3900, 21221)]