161760780

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{263}}^1$

素因数の和:365

約数の個数: 192

約数和(自身を含む): 542868480

約数和(自身を除く): 381107700

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 27, 30, 34, 36, 45, 51, 54, 60, 67, 68, 85, 90, 102, 108, 134, 135, 153, 170, 180, 201, 204, 255, 263, 268, 270, 306, 335, 340, 402, 459, 510, 526, 540, 603, 612, 670, 765, 789, 804, 918, 1005, 1020, 1052, 1139, 1206, 1315, 1340, 1530, 1578, 1809, 1836, 2010, 2278, 2295, 2367, 2412, 2630, 3015, 3060, 3156, 3417, 3618, 3945, 4020, 4471, 4556, 4590, 4734, 5260, 5695, 6030, 6834, 7101, 7236, 7890, 8942, 9045, 9180, 9468, 10251, 11390, 11835, 12060, 13413, 13668, 14202, 15780, 17085, 17621, 17884, 18090, 20502, 22355, 22780, 23670, 26826, 28404, 30753, 34170, 35242, 35505, 36180, 40239, 41004, 44710, 47340, 51255, 52863, 53652, 61506, 67065, 68340, 70484, 71010, 80478, 88105, 89420, 102510, 105726, 120717, 123012, 134130, 142020, 153765, 158589, 160956, 176210, 201195, 205020, 211452, 241434, 264315, 268260, 299557, 307530, 317178, 352420, 402390, 475767, 482868, 528630, 599114, 603585, 615060, 634356, 792945, 804780, 898671, 951534, 1057260, 1198228, 1207170, 1497785, 1585890, 1797342, 1903068, 2378835, 2414340, 2696013, 2995570, 3171780, 3594684, 4493355, 4757670, 5392026, 5991140, 8088039, 8986710, 9515340, 10784052, 13480065, 16176078, 17973420, 26960130, 32352156, 40440195, 53920260, 80880390, 161760780]

約数ペア:

[(1, 161760780), (2, 80880390), (3, 53920260), (4, 40440195), (5, 32352156), (6, 26960130), (9, 17973420), (10, 16176078), (12, 13480065), (15, 10784052), (17, 9515340), (18, 8986710), (20, 8088039), (27, 5991140), (30, 5392026), (34, 4757670), (36, 4493355), (45, 3594684), (51, 3171780), (54, 2995570), (60, 2696013), (67, 2414340), (68, 2378835), (85, 1903068), (90, 1797342), (102, 1585890), (108, 1497785), (134, 1207170), (135, 1198228), (153, 1057260), (170, 951534), (180, 898671), (201, 804780), (204, 792945), (255, 634356), (263, 615060), (268, 603585), (270, 599114), (306, 528630), (335, 482868), (340, 475767), (402, 402390), (459, 352420), (510, 317178), (526, 307530), (540, 299557), (603, 268260), (612, 264315), (670, 241434), (765, 211452), (789, 205020), (804, 201195), (918, 176210), (1005, 160956), (1020, 158589), (1052, 153765), (1139, 142020), (1206, 134130), (1315, 123012), (1340, 120717), (1530, 105726), (1578, 102510), (1809, 89420), (1836, 88105), (2010, 80478), (2278, 71010), (2295, 70484), (2367, 68340), (2412, 67065), (2630, 61506), (3015, 53652), (3060, 52863), (3156, 51255), (3417, 47340), (3618, 44710), (3945, 41004), (4020, 40239), (4471, 36180), (4556, 35505), (4590, 35242), (4734, 34170), (5260, 30753), (5695, 28404), (6030, 26826), (6834, 23670), (7101, 22780), (7236, 22355), (7890, 20502), (8942, 18090), (9045, 17884), (9180, 17621), (9468, 17085), (10251, 15780), (11390, 14202), (11835, 13668), (12060, 13413)]