75828780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{97}}^1\times {\mathrm{101}}^1$

素因数の和:256

約数の個数: 144

約数和(自身を含む): 240143904

約数和(自身を除く): 164315124

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 43, 45, 60, 86, 90, 97, 101, 129, 172, 180, 194, 202, 215, 258, 291, 303, 387, 388, 404, 430, 485, 505, 516, 582, 606, 645, 774, 860, 873, 909, 970, 1010, 1164, 1212, 1290, 1455, 1515, 1548, 1746, 1818, 1935, 1940, 2020, 2580, 2910, 3030, 3492, 3636, 3870, 4171, 4343, 4365, 4545, 5820, 6060, 7740, 8342, 8686, 8730, 9090, 9797, 12513, 13029, 16684, 17372, 17460, 18180, 19594, 20855, 21715, 25026, 26058, 29391, 37539, 39087, 39188, 41710, 43430, 48985, 50052, 52116, 58782, 62565, 65145, 75078, 78174, 83420, 86860, 88173, 97970, 117564, 125130, 130290, 146955, 150156, 156348, 176346, 187695, 195435, 195940, 250260, 260580, 293910, 352692, 375390, 390870, 421271, 440865, 587820, 750780, 781740, 842542, 881730, 1263813, 1685084, 1763460, 2106355, 2527626, 3791439, 4212710, 5055252, 6319065, 7582878, 8425420, 12638130, 15165756, 18957195, 25276260, 37914390, 75828780]

約数ペア:

[(1, 75828780), (2, 37914390), (3, 25276260), (4, 18957195), (5, 15165756), (6, 12638130), (9, 8425420), (10, 7582878), (12, 6319065), (15, 5055252), (18, 4212710), (20, 3791439), (30, 2527626), (36, 2106355), (43, 1763460), (45, 1685084), (60, 1263813), (86, 881730), (90, 842542), (97, 781740), (101, 750780), (129, 587820), (172, 440865), (180, 421271), (194, 390870), (202, 375390), (215, 352692), (258, 293910), (291, 260580), (303, 250260), (387, 195940), (388, 195435), (404, 187695), (430, 176346), (485, 156348), (505, 150156), (516, 146955), (582, 130290), (606, 125130), (645, 117564), (774, 97970), (860, 88173), (873, 86860), (909, 83420), (970, 78174), (1010, 75078), (1164, 65145), (1212, 62565), (1290, 58782), (1455, 52116), (1515, 50052), (1548, 48985), (1746, 43430), (1818, 41710), (1935, 39188), (1940, 39087), (2020, 37539), (2580, 29391), (2910, 26058), (3030, 25026), (3492, 21715), (3636, 20855), (3870, 19594), (4171, 18180), (4343, 17460), (4365, 17372), (4545, 16684), (5820, 13029), (6060, 12513), (7740, 9797), (8342, 9090), (8686, 8730)]