12801900

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{139}}^1\times {\mathrm{307}}^1$

素因数の和:463

約数の個数: 72

約数和(自身を含む): 37428160

約数和(自身を除く): 24626260

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 30, 50, 60, 75, 100, 139, 150, 278, 300, 307, 417, 556, 614, 695, 834, 921, 1228, 1390, 1535, 1668, 1842, 2085, 2780, 3070, 3475, 3684, 4170, 4605, 6140, 6950, 7675, 8340, 9210, 10425, 13900, 15350, 18420, 20850, 23025, 30700, 41700, 42673, 46050, 85346, 92100, 128019, 170692, 213365, 256038, 426730, 512076, 640095, 853460, 1066825, 1280190, 2133650, 2560380, 3200475, 4267300, 6400950, 12801900]

約数ペア:

[(1, 12801900), (2, 6400950), (3, 4267300), (4, 3200475), (5, 2560380), (6, 2133650), (10, 1280190), (12, 1066825), (15, 853460), (20, 640095), (25, 512076), (30, 426730), (50, 256038), (60, 213365), (75, 170692), (100, 128019), (139, 92100), (150, 85346), (278, 46050), (300, 42673), (307, 41700), (417, 30700), (556, 23025), (614, 20850), (695, 18420), (834, 15350), (921, 13900), (1228, 10425), (1390, 9210), (1535, 8340), (1668, 7675), (1842, 6950), (2085, 6140), (2780, 4605), (3070, 4170), (3475, 3684)]