1555140420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{337}}^1\times {\mathrm{827}}^1$

素因数の和:1210

約数の個数: 144

約数和(自身を含む): 4889783808

約数和(自身を除く): 3334643388

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 31, 36, 45, 60, 62, 90, 93, 124, 155, 180, 186, 279, 310, 337, 372, 465, 558, 620, 674, 827, 930, 1011, 1116, 1348, 1395, 1654, 1685, 1860, 2022, 2481, 2790, 3033, 3308, 3370, 4044, 4135, 4962, 5055, 5580, 6066, 6740, 7443, 8270, 9924, 10110, 10447, 12132, 12405, 14886, 15165, 16540, 20220, 20894, 24810, 25637, 29772, 30330, 31341, 37215, 41788, 49620, 51274, 52235, 60660, 62682, 74430, 76911, 94023, 102548, 104470, 125364, 128185, 148860, 153822, 156705, 188046, 208940, 230733, 256370, 278699, 307644, 313410, 376092, 384555, 461466, 470115, 512740, 557398, 626820, 769110, 836097, 922932, 940230, 1114796, 1153665, 1393495, 1538220, 1672194, 1880460, 2307330, 2508291, 2786990, 3344388, 4180485, 4614660, 5016582, 5573980, 8360970, 8639669, 10033164, 12541455, 16721940, 17279338, 25082910, 25919007, 34558676, 43198345, 50165820, 51838014, 77757021, 86396690, 103676028, 129595035, 155514042, 172793380, 259190070, 311028084, 388785105, 518380140, 777570210, 1555140420]

約数ペア:

[(1, 1555140420), (2, 777570210), (3, 518380140), (4, 388785105), (5, 311028084), (6, 259190070), (9, 172793380), (10, 155514042), (12, 129595035), (15, 103676028), (18, 86396690), (20, 77757021), (30, 51838014), (31, 50165820), (36, 43198345), (45, 34558676), (60, 25919007), (62, 25082910), (90, 17279338), (93, 16721940), (124, 12541455), (155, 10033164), (180, 8639669), (186, 8360970), (279, 5573980), (310, 5016582), (337, 4614660), (372, 4180485), (465, 3344388), (558, 2786990), (620, 2508291), (674, 2307330), (827, 1880460), (930, 1672194), (1011, 1538220), (1116, 1393495), (1348, 1153665), (1395, 1114796), (1654, 940230), (1685, 922932), (1860, 836097), (2022, 769110), (2481, 626820), (2790, 557398), (3033, 512740), (3308, 470115), (3370, 461466), (4044, 384555), (4135, 376092), (4962, 313410), (5055, 307644), (5580, 278699), (6066, 256370), (6740, 230733), (7443, 208940), (8270, 188046), (9924, 156705), (10110, 153822), (10447, 148860), (12132, 128185), (12405, 125364), (14886, 104470), (15165, 102548), (16540, 94023), (20220, 76911), (20894, 74430), (24810, 62682), (25637, 60660), (29772, 52235), (30330, 51274), (31341, 49620), (37215, 41788)]