81555120

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{2221}}^1$

素因数の和:2260

約数の個数: 160

約数和(自身を含む): 297570240

約数和(自身を除く): 216015120

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 17, 18, 20, 24, 27, 30, 34, 36, 40, 45, 48, 51, 54, 60, 68, 72, 80, 85, 90, 102, 108, 120, 135, 136, 144, 153, 170, 180, 204, 216, 240, 255, 270, 272, 306, 340, 360, 408, 432, 459, 510, 540, 612, 680, 720, 765, 816, 918, 1020, 1080, 1224, 1360, 1530, 1836, 2040, 2160, 2221, 2295, 2448, 3060, 3672, 4080, 4442, 4590, 6120, 6663, 7344, 8884, 9180, 11105, 12240, 13326, 17768, 18360, 19989, 22210, 26652, 33315, 35536, 36720, 37757, 39978, 44420, 53304, 59967, 66630, 75514, 79956, 88840, 99945, 106608, 113271, 119934, 133260, 151028, 159912, 177680, 188785, 199890, 226542, 239868, 266520, 299835, 302056, 319824, 339813, 377570, 399780, 453084, 479736, 533040, 566355, 599670, 604112, 679626, 755140, 799560, 906168, 959472, 1019439, 1132710, 1199340, 1359252, 1510280, 1599120, 1699065, 1812336, 2038878, 2265420, 2398680, 2718504, 3020560, 3398130, 4077756, 4530840, 4797360, 5097195, 5437008, 6796260, 8155512, 9061680, 10194390, 13592520, 16311024, 20388780, 27185040, 40777560, 81555120]

約数ペア:

[(1, 81555120), (2, 40777560), (3, 27185040), (4, 20388780), (5, 16311024), (6, 13592520), (8, 10194390), (9, 9061680), (10, 8155512), (12, 6796260), (15, 5437008), (16, 5097195), (17, 4797360), (18, 4530840), (20, 4077756), (24, 3398130), (27, 3020560), (30, 2718504), (34, 2398680), (36, 2265420), (40, 2038878), (45, 1812336), (48, 1699065), (51, 1599120), (54, 1510280), (60, 1359252), (68, 1199340), (72, 1132710), (80, 1019439), (85, 959472), (90, 906168), (102, 799560), (108, 755140), (120, 679626), (135, 604112), (136, 599670), (144, 566355), (153, 533040), (170, 479736), (180, 453084), (204, 399780), (216, 377570), (240, 339813), (255, 319824), (270, 302056), (272, 299835), (306, 266520), (340, 239868), (360, 226542), (408, 199890), (432, 188785), (459, 177680), (510, 159912), (540, 151028), (612, 133260), (680, 119934), (720, 113271), (765, 106608), (816, 99945), (918, 88840), (1020, 79956), (1080, 75514), (1224, 66630), (1360, 59967), (1530, 53304), (1836, 44420), (2040, 39978), (2160, 37757), (2221, 36720), (2295, 35536), (2448, 33315), (3060, 26652), (3672, 22210), (4080, 19989), (4442, 18360), (4590, 17768), (6120, 13326), (6663, 12240), (7344, 11105), (8884, 9180)]