80613720

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{20357}}^1$

素因数の和:20385

約数の個数: 96

約数和(自身を含む): 285826320

約数和(自身を除く): 205212600

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 18, 20, 22, 24, 30, 33, 36, 40, 44, 45, 55, 60, 66, 72, 88, 90, 99, 110, 120, 132, 165, 180, 198, 220, 264, 330, 360, 396, 440, 495, 660, 792, 990, 1320, 1980, 3960, 20357, 40714, 61071, 81428, 101785, 122142, 162856, 183213, 203570, 223927, 244284, 305355, 366426, 407140, 447854, 488568, 610710, 671781, 732852, 814280, 895708, 916065, 1119635, 1221420, 1343562, 1465704, 1791416, 1832130, 2015343, 2239270, 2442840, 2687124, 3358905, 3664260, 4030686, 4478540, 5374248, 6717810, 7328520, 8061372, 8957080, 10076715, 13435620, 16122744, 20153430, 26871240, 40306860, 80613720]

約数ペア:

[(1, 80613720), (2, 40306860), (3, 26871240), (4, 20153430), (5, 16122744), (6, 13435620), (8, 10076715), (9, 8957080), (10, 8061372), (11, 7328520), (12, 6717810), (15, 5374248), (18, 4478540), (20, 4030686), (22, 3664260), (24, 3358905), (30, 2687124), (33, 2442840), (36, 2239270), (40, 2015343), (44, 1832130), (45, 1791416), (55, 1465704), (60, 1343562), (66, 1221420), (72, 1119635), (88, 916065), (90, 895708), (99, 814280), (110, 732852), (120, 671781), (132, 610710), (165, 488568), (180, 447854), (198, 407140), (220, 366426), (264, 305355), (330, 244284), (360, 223927), (396, 203570), (440, 183213), (495, 162856), (660, 122142), (792, 101785), (990, 81428), (1320, 61071), (1980, 40714), (3960, 20357)]