193980780

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{153953}}^1$

素因数の和:153975

約数の個数: 72

約数和(自身を含む): 672471072

約数和(自身を除く): 478490292

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, 153953, 307906, 461859, 615812, 769765, 923718, 1077671, 1385577, 1539530, 1847436, 2155342, 2309295, 2771154, 3079060, 3233013, 4310684, 4618590, 5388355, 5542308, 6466026, 6927885, 9237180, 9699039, 10776710, 12932052, 13855770, 16165065, 19398078, 21553420, 27711540, 32330130, 38796156, 48495195, 64660260, 96990390, 193980780]

約数ペア:

[(1, 193980780), (2, 96990390), (3, 64660260), (4, 48495195), (5, 38796156), (6, 32330130), (7, 27711540), (9, 21553420), (10, 19398078), (12, 16165065), (14, 13855770), (15, 12932052), (18, 10776710), (20, 9699039), (21, 9237180), (28, 6927885), (30, 6466026), (35, 5542308), (36, 5388355), (42, 4618590), (45, 4310684), (60, 3233013), (63, 3079060), (70, 2771154), (84, 2309295), (90, 2155342), (105, 1847436), (126, 1539530), (140, 1385577), (180, 1077671), (210, 923718), (252, 769765), (315, 615812), (420, 461859), (630, 307906), (1260, 153953)]