77798760

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{49871}}^1$

素因数の和:49898

約数の個数: 64

約数和(自身を含む): 251354880

約数和(自身を除く): 173556120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 195, 260, 312, 390, 520, 780, 1560, 49871, 99742, 149613, 199484, 249355, 299226, 398968, 498710, 598452, 648323, 748065, 997420, 1196904, 1296646, 1496130, 1944969, 1994840, 2593292, 2992260, 3241615, 3889938, 5186584, 5984520, 6483230, 7779876, 9724845, 12966460, 15559752, 19449690, 25932920, 38899380, 77798760]

約数ペア:

[(1, 77798760), (2, 38899380), (3, 25932920), (4, 19449690), (5, 15559752), (6, 12966460), (8, 9724845), (10, 7779876), (12, 6483230), (13, 5984520), (15, 5186584), (20, 3889938), (24, 3241615), (26, 2992260), (30, 2593292), (39, 1994840), (40, 1944969), (52, 1496130), (60, 1296646), (65, 1196904), (78, 997420), (104, 748065), (120, 648323), (130, 598452), (156, 498710), (195, 398968), (260, 299226), (312, 249355), (390, 199484), (520, 149613), (780, 99742), (1560, 49871)]