171992340

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{2371}}^1$

素因数の和:2430

約数の個数: 144

約数和(自身を含む): 580210176

約数和(自身を除く): 408217836

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 31, 36, 39, 45, 52, 60, 62, 65, 78, 90, 93, 117, 124, 130, 155, 156, 180, 186, 195, 234, 260, 279, 310, 372, 390, 403, 465, 468, 558, 585, 620, 780, 806, 930, 1116, 1170, 1209, 1395, 1612, 1860, 2015, 2340, 2371, 2418, 2790, 3627, 4030, 4742, 4836, 5580, 6045, 7113, 7254, 8060, 9484, 11855, 12090, 14226, 14508, 18135, 21339, 23710, 24180, 28452, 30823, 35565, 36270, 42678, 47420, 61646, 71130, 72540, 73501, 85356, 92469, 106695, 123292, 142260, 147002, 154115, 184938, 213390, 220503, 277407, 294004, 308230, 367505, 369876, 426780, 441006, 462345, 554814, 616460, 661509, 735010, 882012, 924690, 955513, 1102515, 1109628, 1323018, 1387035, 1470020, 1849380, 1911026, 2205030, 2646036, 2774070, 2866539, 3307545, 3822052, 4410060, 4777565, 5548140, 5733078, 6615090, 8599617, 9555130, 11466156, 13230180, 14332695, 17199234, 19110260, 28665390, 34398468, 42998085, 57330780, 85996170, 171992340]

約数ペア:

[(1, 171992340), (2, 85996170), (3, 57330780), (4, 42998085), (5, 34398468), (6, 28665390), (9, 19110260), (10, 17199234), (12, 14332695), (13, 13230180), (15, 11466156), (18, 9555130), (20, 8599617), (26, 6615090), (30, 5733078), (31, 5548140), (36, 4777565), (39, 4410060), (45, 3822052), (52, 3307545), (60, 2866539), (62, 2774070), (65, 2646036), (78, 2205030), (90, 1911026), (93, 1849380), (117, 1470020), (124, 1387035), (130, 1323018), (155, 1109628), (156, 1102515), (180, 955513), (186, 924690), (195, 882012), (234, 735010), (260, 661509), (279, 616460), (310, 554814), (372, 462345), (390, 441006), (403, 426780), (465, 369876), (468, 367505), (558, 308230), (585, 294004), (620, 277407), (780, 220503), (806, 213390), (930, 184938), (1116, 154115), (1170, 147002), (1209, 142260), (1395, 123292), (1612, 106695), (1860, 92469), (2015, 85356), (2340, 73501), (2371, 72540), (2418, 71130), (2790, 61646), (3627, 47420), (4030, 42678), (4742, 36270), (4836, 35565), (5580, 30823), (6045, 28452), (7113, 24180), (7254, 23710), (8060, 21339), (9484, 18135), (11855, 14508), (12090, 14226)]