1279531500

素因数分解:

$2^2\times 3^1\times 5^3\times {\mathrm{13}}^1\times {\mathrm{65617}}^1$

素因数の和:65652

約数の個数: 96

約数和(自身を含む): 4012671936

約数和(自身を除く): 2733140436

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, 125, 130, 150, 156, 195, 250, 260, 300, 325, 375, 390, 500, 650, 750, 780, 975, 1300, 1500, 1625, 1950, 3250, 3900, 4875, 6500, 9750, 19500, 65617, 131234, 196851, 262468, 328085, 393702, 656170, 787404, 853021, 984255, 1312340, 1640425, 1706042, 1968510, 2559063, 3280850, 3412084, 3937020, 4265105, 4921275, 5118126, 6561700, 8202125, 8530210, 9842550, 10236252, 12795315, 16404250, 17060420, 19685100, 21325525, 24606375, 25590630, 32808500, 42651050, 49212750, 51181260, 63976575, 85302100, 98425500, 106627625, 127953150, 213255250, 255906300, 319882875, 426510500, 639765750, 1279531500]

約数ペア:

[(1, 1279531500), (2, 639765750), (3, 426510500), (4, 319882875), (5, 255906300), (6, 213255250), (10, 127953150), (12, 106627625), (13, 98425500), (15, 85302100), (20, 63976575), (25, 51181260), (26, 49212750), (30, 42651050), (39, 32808500), (50, 25590630), (52, 24606375), (60, 21325525), (65, 19685100), (75, 17060420), (78, 16404250), (100, 12795315), (125, 10236252), (130, 9842550), (150, 8530210), (156, 8202125), (195, 6561700), (250, 5118126), (260, 4921275), (300, 4265105), (325, 3937020), (375, 3412084), (390, 3280850), (500, 2559063), (650, 1968510), (750, 1706042), (780, 1640425), (975, 1312340), (1300, 984255), (1500, 853021), (1625, 787404), (1950, 656170), (3250, 393702), (3900, 328085), (4875, 262468), (6500, 196851), (9750, 131234), (19500, 65617)]