69890940

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{55469}}^1$

素因数の和:55491

約数の個数: 72

約数和(自身を含む): 242292960

約数和(自身を除く): 172402020

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 55469, 110938, 166407, 221876, 277345, 332814, 388283, 499221, 554690, 665628, 776566, 832035, 998442, 1109380, 1164849, 1553132, 1664070, 1941415, 1996884, 2329698, 2496105, 3328140, 3494547, 3882830, 4659396, 4992210, 5824245, 6989094, 7765660, 9984420, 11648490, 13978188, 17472735, 23296980, 34945470, 69890940]

約数ペア:

[(1, 69890940), (2, 34945470), (3, 23296980), (4, 17472735), (5, 13978188), (6, 11648490), (7, 9984420), (9, 7765660), (10, 6989094), (12, 5824245), (14, 4992210), (15, 4659396), (18, 3882830), (20, 3494547), (21, 3328140), (28, 2496105), (30, 2329698), (35, 1996884), (36, 1941415), (42, 1664070), (45, 1553132), (60, 1164849), (63, 1109380), (70, 998442), (84, 832035), (90, 776566), (105, 665628), (126, 554690), (140, 499221), (180, 388283), (210, 332814), (252, 277345), (315, 221876), (420, 166407), (630, 110938), (1260, 55469)]