219961680

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{916507}}^1$

素因数の和:916523

約数の個数: 40

約数和(自身を含む): 681881952

約数和(自身を除く): 461920272

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 916507, 1833014, 2749521, 3666028, 4582535, 5499042, 7332056, 9165070, 10998084, 13747605, 14664112, 18330140, 21996168, 27495210, 36660280, 43992336, 54990420, 73320560, 109980840, 219961680]

約数ペア:

[(1, 219961680), (2, 109980840), (3, 73320560), (4, 54990420), (5, 43992336), (6, 36660280), (8, 27495210), (10, 21996168), (12, 18330140), (15, 14664112), (16, 13747605), (20, 10998084), (24, 9165070), (30, 7332056), (40, 5499042), (48, 4582535), (60, 3666028), (80, 2749521), (120, 1833014), (240, 916507)]