66378780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1493}}^1$

素因数の和:1540

約数の個数: 144

約数和(自身を含む): 228402720

約数和(自身を除く): 162023940

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 19, 20, 26, 30, 36, 38, 39, 45, 52, 57, 60, 65, 76, 78, 90, 95, 114, 117, 130, 156, 171, 180, 190, 195, 228, 234, 247, 260, 285, 342, 380, 390, 468, 494, 570, 585, 684, 741, 780, 855, 988, 1140, 1170, 1235, 1482, 1493, 1710, 2223, 2340, 2470, 2964, 2986, 3420, 3705, 4446, 4479, 4940, 5972, 7410, 7465, 8892, 8958, 11115, 13437, 14820, 14930, 17916, 19409, 22230, 22395, 26874, 28367, 29860, 38818, 44460, 44790, 53748, 56734, 58227, 67185, 77636, 85101, 89580, 97045, 113468, 116454, 134370, 141835, 170202, 174681, 194090, 232908, 255303, 268740, 283670, 291135, 340404, 349362, 368771, 388180, 425505, 510606, 567340, 582270, 698724, 737542, 851010, 873405, 1021212, 1106313, 1164540, 1276515, 1475084, 1702020, 1746810, 1843855, 2212626, 2553030, 3318939, 3493620, 3687710, 4425252, 5106060, 5531565, 6637878, 7375420, 11063130, 13275756, 16594695, 22126260, 33189390, 66378780]

約数ペア:

[(1, 66378780), (2, 33189390), (3, 22126260), (4, 16594695), (5, 13275756), (6, 11063130), (9, 7375420), (10, 6637878), (12, 5531565), (13, 5106060), (15, 4425252), (18, 3687710), (19, 3493620), (20, 3318939), (26, 2553030), (30, 2212626), (36, 1843855), (38, 1746810), (39, 1702020), (45, 1475084), (52, 1276515), (57, 1164540), (60, 1106313), (65, 1021212), (76, 873405), (78, 851010), (90, 737542), (95, 698724), (114, 582270), (117, 567340), (130, 510606), (156, 425505), (171, 388180), (180, 368771), (190, 349362), (195, 340404), (228, 291135), (234, 283670), (247, 268740), (260, 255303), (285, 232908), (342, 194090), (380, 174681), (390, 170202), (468, 141835), (494, 134370), (570, 116454), (585, 113468), (684, 97045), (741, 89580), (780, 85101), (855, 77636), (988, 67185), (1140, 58227), (1170, 56734), (1235, 53748), (1482, 44790), (1493, 44460), (1710, 38818), (2223, 29860), (2340, 28367), (2470, 26874), (2964, 22395), (2986, 22230), (3420, 19409), (3705, 17916), (4446, 14930), (4479, 14820), (4940, 13437), (5972, 11115), (7410, 8958), (7465, 8892)]