128552820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{17707}}^1$

素因数の和:17741

約数の個数: 72

約数和(自身を含む): 395667552

約数和(自身を除く): 267114732

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, 17707, 35414, 53121, 70828, 88535, 106242, 177070, 194777, 212484, 265605, 354140, 389554, 531210, 584331, 779108, 973885, 1062420, 1168662, 1947770, 2142547, 2337324, 2921655, 3895540, 4285094, 5843310, 6427641, 8570188, 10712735, 11686620, 12855282, 21425470, 25710564, 32138205, 42850940, 64276410, 128552820]

約数ペア:

[(1, 128552820), (2, 64276410), (3, 42850940), (4, 32138205), (5, 25710564), (6, 21425470), (10, 12855282), (11, 11686620), (12, 10712735), (15, 8570188), (20, 6427641), (22, 5843310), (30, 4285094), (33, 3895540), (44, 2921655), (55, 2337324), (60, 2142547), (66, 1947770), (110, 1168662), (121, 1062420), (132, 973885), (165, 779108), (220, 584331), (242, 531210), (330, 389554), (363, 354140), (484, 265605), (605, 212484), (660, 194777), (726, 177070), (1210, 106242), (1452, 88535), (1815, 70828), (2420, 53121), (3630, 35414), (7260, 17707)]