161227440

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{20357}}^1$

素因数の和:20387

約数の個数: 120

約数和(自身を含む): 590707728

約数和(自身を除く): 429480288

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 16, 18, 20, 22, 24, 30, 33, 36, 40, 44, 45, 48, 55, 60, 66, 72, 80, 88, 90, 99, 110, 120, 132, 144, 165, 176, 180, 198, 220, 240, 264, 330, 360, 396, 440, 495, 528, 660, 720, 792, 880, 990, 1320, 1584, 1980, 2640, 3960, 7920, 20357, 40714, 61071, 81428, 101785, 122142, 162856, 183213, 203570, 223927, 244284, 305355, 325712, 366426, 407140, 447854, 488568, 610710, 671781, 732852, 814280, 895708, 916065, 977136, 1119635, 1221420, 1343562, 1465704, 1628560, 1791416, 1832130, 2015343, 2239270, 2442840, 2687124, 2931408, 3358905, 3582832, 3664260, 4030686, 4478540, 4885680, 5374248, 6717810, 7328520, 8061372, 8957080, 10076715, 10748496, 13435620, 14657040, 16122744, 17914160, 20153430, 26871240, 32245488, 40306860, 53742480, 80613720, 161227440]

約数ペア:

[(1, 161227440), (2, 80613720), (3, 53742480), (4, 40306860), (5, 32245488), (6, 26871240), (8, 20153430), (9, 17914160), (10, 16122744), (11, 14657040), (12, 13435620), (15, 10748496), (16, 10076715), (18, 8957080), (20, 8061372), (22, 7328520), (24, 6717810), (30, 5374248), (33, 4885680), (36, 4478540), (40, 4030686), (44, 3664260), (45, 3582832), (48, 3358905), (55, 2931408), (60, 2687124), (66, 2442840), (72, 2239270), (80, 2015343), (88, 1832130), (90, 1791416), (99, 1628560), (110, 1465704), (120, 1343562), (132, 1221420), (144, 1119635), (165, 977136), (176, 916065), (180, 895708), (198, 814280), (220, 732852), (240, 671781), (264, 610710), (330, 488568), (360, 447854), (396, 407140), (440, 366426), (495, 325712), (528, 305355), (660, 244284), (720, 223927), (792, 203570), (880, 183213), (990, 162856), (1320, 122142), (1584, 101785), (1980, 81428), (2640, 61071), (3960, 40714), (7920, 20357)]