16320780

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{12953}}^1$

素因数の和:12975

約数の個数: 72

約数和(自身を含む): 56583072

約数和(自身を除く): 40262292

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, 12953, 25906, 38859, 51812, 64765, 77718, 90671, 116577, 129530, 155436, 181342, 194295, 233154, 259060, 272013, 362684, 388590, 453355, 466308, 544026, 582885, 777180, 816039, 906710, 1088052, 1165770, 1360065, 1632078, 1813420, 2331540, 2720130, 3264156, 4080195, 5440260, 8160390, 16320780]

約数ペア:

[(1, 16320780), (2, 8160390), (3, 5440260), (4, 4080195), (5, 3264156), (6, 2720130), (7, 2331540), (9, 1813420), (10, 1632078), (12, 1360065), (14, 1165770), (15, 1088052), (18, 906710), (20, 816039), (21, 777180), (28, 582885), (30, 544026), (35, 466308), (36, 453355), (42, 388590), (45, 362684), (60, 272013), (63, 259060), (70, 233154), (84, 194295), (90, 181342), (105, 155436), (126, 129530), (140, 116577), (180, 90671), (210, 77718), (252, 64765), (315, 51812), (420, 38859), (630, 25906), (1260, 12953)]