12840720

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{53503}}^1$

素因数の和:53519

約数の個数: 40

約数和(自身を含む): 39806976

約数和(自身を除く): 26966256

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 53503, 107006, 160509, 214012, 267515, 321018, 428024, 535030, 642036, 802545, 856048, 1070060, 1284072, 1605090, 2140120, 2568144, 3210180, 4280240, 6420360, 12840720]

約数ペア:

[(1, 12840720), (2, 6420360), (3, 4280240), (4, 3210180), (5, 2568144), (6, 2140120), (8, 1605090), (10, 1284072), (12, 1070060), (15, 856048), (16, 802545), (20, 642036), (24, 535030), (30, 428024), (40, 321018), (48, 267515), (60, 214012), (80, 160509), (120, 107006), (240, 53503)]