180455940

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{197}}^1\times {\mathrm{727}}^1$

素因数の和:946

約数の個数: 144

約数和(自身を含む): 629620992

約数和(自身を除く): 449165052

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, 197, 210, 252, 315, 394, 420, 591, 630, 727, 788, 985, 1182, 1260, 1379, 1454, 1773, 1970, 2181, 2364, 2758, 2908, 2955, 3546, 3635, 3940, 4137, 4362, 5089, 5516, 5910, 6543, 6895, 7092, 7270, 8274, 8724, 8865, 10178, 10905, 11820, 12411, 13086, 13790, 14540, 15267, 16548, 17730, 20356, 20685, 21810, 24822, 25445, 26172, 27580, 30534, 32715, 35460, 41370, 43620, 45801, 49644, 50890, 61068, 62055, 65430, 76335, 82740, 91602, 101780, 124110, 130860, 143219, 152670, 183204, 229005, 248220, 286438, 305340, 429657, 458010, 572876, 716095, 859314, 916020, 1002533, 1288971, 1432190, 1718628, 2005066, 2148285, 2577942, 2864380, 3007599, 4010132, 4296570, 5012665, 5155884, 6015198, 6444855, 8593140, 9022797, 10025330, 12030396, 12889710, 15037995, 18045594, 20050660, 25779420, 30075990, 36091188, 45113985, 60151980, 90227970, 180455940]

約数ペア:

[(1, 180455940), (2, 90227970), (3, 60151980), (4, 45113985), (5, 36091188), (6, 30075990), (7, 25779420), (9, 20050660), (10, 18045594), (12, 15037995), (14, 12889710), (15, 12030396), (18, 10025330), (20, 9022797), (21, 8593140), (28, 6444855), (30, 6015198), (35, 5155884), (36, 5012665), (42, 4296570), (45, 4010132), (60, 3007599), (63, 2864380), (70, 2577942), (84, 2148285), (90, 2005066), (105, 1718628), (126, 1432190), (140, 1288971), (180, 1002533), (197, 916020), (210, 859314), (252, 716095), (315, 572876), (394, 458010), (420, 429657), (591, 305340), (630, 286438), (727, 248220), (788, 229005), (985, 183204), (1182, 152670), (1260, 143219), (1379, 130860), (1454, 124110), (1773, 101780), (1970, 91602), (2181, 82740), (2364, 76335), (2758, 65430), (2908, 62055), (2955, 61068), (3546, 50890), (3635, 49644), (3940, 45801), (4137, 43620), (4362, 41370), (5089, 35460), (5516, 32715), (5910, 30534), (6543, 27580), (6895, 26172), (7092, 25445), (7270, 24822), (8274, 21810), (8724, 20685), (8865, 20356), (10178, 17730), (10905, 16548), (11820, 15267), (12411, 14540), (13086, 13790)]