78936540

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{31}}^2\times {\mathrm{37}}^2$

素因数の和:148

約数の個数: 108

約数和(自身を含む): 234721368

約数和(自身を除く): 155784828

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 31, 37, 60, 62, 74, 93, 111, 124, 148, 155, 185, 186, 222, 310, 370, 372, 444, 465, 555, 620, 740, 930, 961, 1110, 1147, 1369, 1860, 1922, 2220, 2294, 2738, 2883, 3441, 3844, 4107, 4588, 4805, 5476, 5735, 5766, 6845, 6882, 8214, 9610, 11470, 11532, 13690, 13764, 14415, 16428, 17205, 19220, 20535, 22940, 27380, 28830, 34410, 35557, 41070, 42439, 57660, 68820, 71114, 82140, 84878, 106671, 127317, 142228, 169756, 177785, 212195, 213342, 254634, 355570, 424390, 426684, 509268, 533355, 636585, 711140, 848780, 1066710, 1273170, 1315609, 2133420, 2546340, 2631218, 3946827, 5262436, 6578045, 7893654, 13156090, 15787308, 19734135, 26312180, 39468270, 78936540]

約数ペア:

[(1, 78936540), (2, 39468270), (3, 26312180), (4, 19734135), (5, 15787308), (6, 13156090), (10, 7893654), (12, 6578045), (15, 5262436), (20, 3946827), (30, 2631218), (31, 2546340), (37, 2133420), (60, 1315609), (62, 1273170), (74, 1066710), (93, 848780), (111, 711140), (124, 636585), (148, 533355), (155, 509268), (185, 426684), (186, 424390), (222, 355570), (310, 254634), (370, 213342), (372, 212195), (444, 177785), (465, 169756), (555, 142228), (620, 127317), (740, 106671), (930, 84878), (961, 82140), (1110, 71114), (1147, 68820), (1369, 57660), (1860, 42439), (1922, 41070), (2220, 35557), (2294, 34410), (2738, 28830), (2883, 27380), (3441, 22940), (3844, 20535), (4107, 19220), (4588, 17205), (4805, 16428), (5476, 14415), (5735, 13764), (5766, 13690), (6845, 11532), (6882, 11470), (8214, 9610)]