1381723020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{2447}}^1\times {\mathrm{3137}}^1$

素因数の和:5599

約数の個数: 72

約数和(自身を含む): 4194275904

約数和(自身を除く): 2812552884

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 2447, 3137, 4894, 6274, 7341, 9411, 9788, 12235, 12548, 14682, 15685, 18822, 22023, 24470, 28233, 29364, 31370, 36705, 37644, 44046, 47055, 48940, 56466, 62740, 73410, 88092, 94110, 110115, 112932, 141165, 146820, 188220, 220230, 282330, 440460, 564660, 7676239, 15352478, 23028717, 30704956, 38381195, 46057434, 69086151, 76762390, 92114868, 115143585, 138172302, 153524780, 230287170, 276344604, 345430755, 460574340, 690861510, 1381723020]

約数ペア:

[(1, 1381723020), (2, 690861510), (3, 460574340), (4, 345430755), (5, 276344604), (6, 230287170), (9, 153524780), (10, 138172302), (12, 115143585), (15, 92114868), (18, 76762390), (20, 69086151), (30, 46057434), (36, 38381195), (45, 30704956), (60, 23028717), (90, 15352478), (180, 7676239), (2447, 564660), (3137, 440460), (4894, 282330), (6274, 220230), (7341, 188220), (9411, 146820), (9788, 141165), (12235, 112932), (12548, 110115), (14682, 94110), (15685, 88092), (18822, 73410), (22023, 62740), (24470, 56466), (28233, 48940), (29364, 47055), (31370, 44046), (36705, 37644)]