489055140

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{487}}^1\times {\mathrm{797}}^1$

素因数の和:1306

約数の個数: 144

約数和(自身を含む): 1701004032

約数和(自身を除く): 1211948892

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, 487, 630, 797, 974, 1260, 1461, 1594, 1948, 2391, 2435, 2922, 3188, 3409, 3985, 4383, 4782, 4870, 5579, 5844, 6818, 7173, 7305, 7970, 8766, 9564, 9740, 10227, 11158, 11955, 13636, 14346, 14610, 15940, 16737, 17045, 17532, 20454, 21915, 22316, 23910, 27895, 28692, 29220, 30681, 33474, 34090, 35865, 40908, 43830, 47820, 50211, 51135, 55790, 61362, 66948, 68180, 71730, 83685, 87660, 100422, 102270, 111580, 122724, 143460, 153405, 167370, 200844, 204540, 251055, 306810, 334740, 388139, 502110, 613620, 776278, 1004220, 1164417, 1552556, 1940695, 2328834, 2716973, 3493251, 3881390, 4657668, 5433946, 5822085, 6986502, 7762780, 8150919, 10867892, 11644170, 13584865, 13973004, 16301838, 17466255, 23288340, 24452757, 27169730, 32603676, 34932510, 40754595, 48905514, 54339460, 69865020, 81509190, 97811028, 122263785, 163018380, 244527570, 489055140]

約数ペア:

[(1, 489055140), (2, 244527570), (3, 163018380), (4, 122263785), (5, 97811028), (6, 81509190), (7, 69865020), (9, 54339460), (10, 48905514), (12, 40754595), (14, 34932510), (15, 32603676), (18, 27169730), (20, 24452757), (21, 23288340), (28, 17466255), (30, 16301838), (35, 13973004), (36, 13584865), (42, 11644170), (45, 10867892), (60, 8150919), (63, 7762780), (70, 6986502), (84, 5822085), (90, 5433946), (105, 4657668), (126, 3881390), (140, 3493251), (180, 2716973), (210, 2328834), (252, 1940695), (315, 1552556), (420, 1164417), (487, 1004220), (630, 776278), (797, 613620), (974, 502110), (1260, 388139), (1461, 334740), (1594, 306810), (1948, 251055), (2391, 204540), (2435, 200844), (2922, 167370), (3188, 153405), (3409, 143460), (3985, 122724), (4383, 111580), (4782, 102270), (4870, 100422), (5579, 87660), (5844, 83685), (6818, 71730), (7173, 68180), (7305, 66948), (7970, 61362), (8766, 55790), (9564, 51135), (9740, 50211), (10227, 47820), (11158, 43830), (11955, 40908), (13636, 35865), (14346, 34090), (14610, 33474), (15940, 30681), (16737, 29220), (17045, 28692), (17532, 27895), (20454, 23910), (21915, 22316)]