81812160

素因数分解:

$2^6\times 3^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{557}}^1$

素因数の和:600

約数の個数: 224

約数和(自身を含む): 306141120

約数和(自身を除く): 224328960

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 17, 18, 20, 24, 27, 30, 32, 34, 36, 40, 45, 48, 51, 54, 60, 64, 68, 72, 80, 85, 90, 96, 102, 108, 120, 135, 136, 144, 153, 160, 170, 180, 192, 204, 216, 240, 255, 270, 272, 288, 306, 320, 340, 360, 408, 432, 459, 480, 510, 540, 544, 557, 576, 612, 680, 720, 765, 816, 864, 918, 960, 1020, 1080, 1088, 1114, 1224, 1360, 1440, 1530, 1632, 1671, 1728, 1836, 2040, 2160, 2228, 2295, 2448, 2720, 2785, 2880, 3060, 3264, 3342, 3672, 4080, 4320, 4456, 4590, 4896, 5013, 5440, 5570, 6120, 6684, 7344, 8160, 8355, 8640, 8912, 9180, 9469, 9792, 10026, 11140, 12240, 13368, 14688, 15039, 16320, 16710, 17824, 18360, 18938, 20052, 22280, 24480, 25065, 26736, 28407, 29376, 30078, 33420, 35648, 36720, 37876, 40104, 44560, 47345, 48960, 50130, 53472, 56814, 60156, 66840, 73440, 75195, 75752, 80208, 85221, 89120, 94690, 100260, 106944, 113628, 120312, 133680, 142035, 146880, 150390, 151504, 160416, 170442, 178240, 189380, 200520, 227256, 240624, 255663, 267360, 284070, 300780, 303008, 320832, 340884, 378760, 401040, 426105, 454512, 481248, 511326, 534720, 568140, 601560, 606016, 681768, 757520, 802080, 852210, 909024, 962496, 1022652, 1136280, 1203120, 1278315, 1363536, 1515040, 1604160, 1704420, 1818048, 2045304, 2272560, 2406240, 2556630, 2727072, 3030080, 3408840, 4090608, 4545120, 4812480, 5113260, 5454144, 6817680, 8181216, 9090240, 10226520, 13635360, 16362432, 20453040, 27270720, 40906080, 81812160]

約数ペア:

[(1, 81812160), (2, 40906080), (3, 27270720), (4, 20453040), (5, 16362432), (6, 13635360), (8, 10226520), (9, 9090240), (10, 8181216), (12, 6817680), (15, 5454144), (16, 5113260), (17, 4812480), (18, 4545120), (20, 4090608), (24, 3408840), (27, 3030080), (30, 2727072), (32, 2556630), (34, 2406240), (36, 2272560), (40, 2045304), (45, 1818048), (48, 1704420), (51, 1604160), (54, 1515040), (60, 1363536), (64, 1278315), (68, 1203120), (72, 1136280), (80, 1022652), (85, 962496), (90, 909024), (96, 852210), (102, 802080), (108, 757520), (120, 681768), (135, 606016), (136, 601560), (144, 568140), (153, 534720), (160, 511326), (170, 481248), (180, 454512), (192, 426105), (204, 401040), (216, 378760), (240, 340884), (255, 320832), (270, 303008), (272, 300780), (288, 284070), (306, 267360), (320, 255663), (340, 240624), (360, 227256), (408, 200520), (432, 189380), (459, 178240), (480, 170442), (510, 160416), (540, 151504), (544, 150390), (557, 146880), (576, 142035), (612, 133680), (680, 120312), (720, 113628), (765, 106944), (816, 100260), (864, 94690), (918, 89120), (960, 85221), (1020, 80208), (1080, 75752), (1088, 75195), (1114, 73440), (1224, 66840), (1360, 60156), (1440, 56814), (1530, 53472), (1632, 50130), (1671, 48960), (1728, 47345), (1836, 44560), (2040, 40104), (2160, 37876), (2228, 36720), (2295, 35648), (2448, 33420), (2720, 30078), (2785, 29376), (2880, 28407), (3060, 26736), (3264, 25065), (3342, 24480), (3672, 22280), (4080, 20052), (4320, 18938), (4456, 18360), (4590, 17824), (4896, 16710), (5013, 16320), (5440, 15039), (5570, 14688), (6120, 13368), (6684, 12240), (7344, 11140), (8160, 10026), (8355, 9792), (8640, 9469), (8912, 9180)]