78811460

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{3331}}^1$

素因数の和:3373

約数の個数: 72

約数和(自身を含む): 204878016

約数和(自身を除く): 126066556

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 169, 182, 260, 338, 364, 455, 676, 845, 910, 1183, 1690, 1820, 2366, 3331, 3380, 4732, 5915, 6662, 11830, 13324, 16655, 23317, 23660, 33310, 43303, 46634, 66620, 86606, 93268, 116585, 173212, 216515, 233170, 303121, 433030, 466340, 562939, 606242, 866060, 1125878, 1212484, 1515605, 2251756, 2814695, 3031210, 3940573, 5629390, 6062420, 7881146, 11258780, 15762292, 19702865, 39405730, 78811460]

約数ペア:

[(1, 78811460), (2, 39405730), (4, 19702865), (5, 15762292), (7, 11258780), (10, 7881146), (13, 6062420), (14, 5629390), (20, 3940573), (26, 3031210), (28, 2814695), (35, 2251756), (52, 1515605), (65, 1212484), (70, 1125878), (91, 866060), (130, 606242), (140, 562939), (169, 466340), (182, 433030), (260, 303121), (338, 233170), (364, 216515), (455, 173212), (676, 116585), (845, 93268), (910, 86606), (1183, 66620), (1690, 46634), (1820, 43303), (2366, 33310), (3331, 23660), (3380, 23317), (4732, 16655), (5915, 13324), (6662, 11830)]