12840800

素因数分解:

$2^5\times 5^2\times 7^1\times {\mathrm{2293}}^1$

素因数の和:2320

約数の個数: 72

約数和(自身を含む): 35841456

約数和(自身を除く): 23000656

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 32, 35, 40, 50, 56, 70, 80, 100, 112, 140, 160, 175, 200, 224, 280, 350, 400, 560, 700, 800, 1120, 1400, 2293, 2800, 4586, 5600, 9172, 11465, 16051, 18344, 22930, 32102, 36688, 45860, 57325, 64204, 73376, 80255, 91720, 114650, 128408, 160510, 183440, 229300, 256816, 321020, 366880, 401275, 458600, 513632, 642040, 802550, 917200, 1284080, 1605100, 1834400, 2568160, 3210200, 6420400, 12840800]

約数ペア:

[(1, 12840800), (2, 6420400), (4, 3210200), (5, 2568160), (7, 1834400), (8, 1605100), (10, 1284080), (14, 917200), (16, 802550), (20, 642040), (25, 513632), (28, 458600), (32, 401275), (35, 366880), (40, 321020), (50, 256816), (56, 229300), (70, 183440), (80, 160510), (100, 128408), (112, 114650), (140, 91720), (160, 80255), (175, 73376), (200, 64204), (224, 57325), (280, 45860), (350, 36688), (400, 32102), (560, 22930), (700, 18344), (800, 16051), (1120, 11465), (1400, 9172), (2293, 5600), (2800, 4586)]