161723940

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{385057}}^1$

素因数の和:385076

約数の個数: 48

約数和(自身を含む): 517517952

約数和(自身を除く): 355794012

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 385057, 770114, 1155171, 1540228, 1925285, 2310342, 2695399, 3850570, 4620684, 5390798, 5775855, 7701140, 8086197, 10781596, 11551710, 13476995, 16172394, 23103420, 26953990, 32344788, 40430985, 53907980, 80861970, 161723940]

約数ペア:

[(1, 161723940), (2, 80861970), (3, 53907980), (4, 40430985), (5, 32344788), (6, 26953990), (7, 23103420), (10, 16172394), (12, 13476995), (14, 11551710), (15, 10781596), (20, 8086197), (21, 7701140), (28, 5775855), (30, 5390798), (35, 4620684), (42, 3850570), (60, 2695399), (70, 2310342), (84, 1925285), (105, 1540228), (140, 1155171), (210, 770114), (420, 385057)]