161731020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{22277}}^1$

素因数の和:22311

約数の個数: 72

約数和(自身を含む): 497779632

約数和(自身を除く): 336048612

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 30, 33, 44, 55, 60, 66, 110, 121, 132, 165, 220, 242, 330, 363, 484, 605, 660, 726, 1210, 1452, 1815, 2420, 3630, 7260, 22277, 44554, 66831, 89108, 111385, 133662, 222770, 245047, 267324, 334155, 445540, 490094, 668310, 735141, 980188, 1225235, 1336620, 1470282, 2450470, 2695517, 2940564, 3675705, 4900940, 5391034, 7351410, 8086551, 10782068, 13477585, 14702820, 16173102, 26955170, 32346204, 40432755, 53910340, 80865510, 161731020]

約数ペア:

[(1, 161731020), (2, 80865510), (3, 53910340), (4, 40432755), (5, 32346204), (6, 26955170), (10, 16173102), (11, 14702820), (12, 13477585), (15, 10782068), (20, 8086551), (22, 7351410), (30, 5391034), (33, 4900940), (44, 3675705), (55, 2940564), (60, 2695517), (66, 2450470), (110, 1470282), (121, 1336620), (132, 1225235), (165, 980188), (220, 735141), (242, 668310), (330, 490094), (363, 445540), (484, 334155), (605, 267324), (660, 245047), (726, 222770), (1210, 133662), (1452, 111385), (1815, 89108), (2420, 66831), (3630, 44554), (7260, 22277)]