161961840

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{224947}}^1$

素因数の和:224966

約数の個数: 60

約数和(自身を含む): 543924264

約数和(自身を除く): 381962424

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 720, 224947, 449894, 674841, 899788, 1124735, 1349682, 1799576, 2024523, 2249470, 2699364, 3374205, 3599152, 4049046, 4498940, 5398728, 6748410, 8098092, 8997880, 10122615, 10797456, 13496820, 16196184, 17995760, 20245230, 26993640, 32392368, 40490460, 53987280, 80980920, 161961840]

約数ペア:

[(1, 161961840), (2, 80980920), (3, 53987280), (4, 40490460), (5, 32392368), (6, 26993640), (8, 20245230), (9, 17995760), (10, 16196184), (12, 13496820), (15, 10797456), (16, 10122615), (18, 8997880), (20, 8098092), (24, 6748410), (30, 5398728), (36, 4498940), (40, 4049046), (45, 3599152), (48, 3374205), (60, 2699364), (72, 2249470), (80, 2024523), (90, 1799576), (120, 1349682), (144, 1124735), (180, 899788), (240, 674841), (360, 449894), (720, 224947)]