81484060

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{73}}^1$

素因数の和:180

約数の個数: 144

約数和(自身を含む): 216838944

約数和(自身を除く): 135354884

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 28, 34, 35, 49, 67, 68, 70, 73, 85, 98, 119, 134, 140, 146, 170, 196, 238, 245, 268, 292, 335, 340, 365, 469, 476, 490, 511, 595, 670, 730, 833, 938, 980, 1022, 1139, 1190, 1241, 1340, 1460, 1666, 1876, 2044, 2278, 2345, 2380, 2482, 2555, 3283, 3332, 3577, 4165, 4556, 4690, 4891, 4964, 5110, 5695, 6205, 6566, 7154, 7973, 8330, 8687, 9380, 9782, 10220, 11390, 12410, 13132, 14308, 15946, 16415, 16660, 17374, 17885, 19564, 22780, 24455, 24820, 31892, 32830, 34237, 34748, 35770, 39865, 43435, 48910, 55811, 60809, 65660, 68474, 71540, 79730, 83147, 86870, 97820, 111622, 121618, 136948, 159460, 166294, 171185, 173740, 223244, 239659, 243236, 279055, 304045, 332588, 342370, 415735, 479318, 558110, 582029, 608090, 684740, 831470, 958636, 1116220, 1164058, 1198295, 1216180, 1662940, 2328116, 2396590, 2910145, 4074203, 4793180, 5820290, 8148406, 11640580, 16296812, 20371015, 40742030, 81484060]

約数ペア:

[(1, 81484060), (2, 40742030), (4, 20371015), (5, 16296812), (7, 11640580), (10, 8148406), (14, 5820290), (17, 4793180), (20, 4074203), (28, 2910145), (34, 2396590), (35, 2328116), (49, 1662940), (67, 1216180), (68, 1198295), (70, 1164058), (73, 1116220), (85, 958636), (98, 831470), (119, 684740), (134, 608090), (140, 582029), (146, 558110), (170, 479318), (196, 415735), (238, 342370), (245, 332588), (268, 304045), (292, 279055), (335, 243236), (340, 239659), (365, 223244), (469, 173740), (476, 171185), (490, 166294), (511, 159460), (595, 136948), (670, 121618), (730, 111622), (833, 97820), (938, 86870), (980, 83147), (1022, 79730), (1139, 71540), (1190, 68474), (1241, 65660), (1340, 60809), (1460, 55811), (1666, 48910), (1876, 43435), (2044, 39865), (2278, 35770), (2345, 34748), (2380, 34237), (2482, 32830), (2555, 31892), (3283, 24820), (3332, 24455), (3577, 22780), (4165, 19564), (4556, 17885), (4690, 17374), (4891, 16660), (4964, 16415), (5110, 15946), (5695, 14308), (6205, 13132), (6566, 12410), (7154, 11390), (7973, 10220), (8330, 9782), (8687, 9380)]