121261440

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{137}}^1\times {\mathrm{461}}^1$

素因数の和:620

約数の個数: 128

約数和(自身を含む): 390186720

約数和(自身を除く): 268925280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 137, 160, 192, 240, 274, 320, 384, 411, 461, 480, 548, 640, 685, 822, 922, 960, 1096, 1370, 1383, 1644, 1844, 1920, 2055, 2192, 2305, 2740, 2766, 3288, 3688, 4110, 4384, 4610, 5480, 5532, 6576, 6915, 7376, 8220, 8768, 9220, 10960, 11064, 13152, 13830, 14752, 16440, 17536, 18440, 21920, 22128, 26304, 27660, 29504, 32880, 36880, 43840, 44256, 52608, 55320, 59008, 63157, 65760, 73760, 87680, 88512, 110640, 126314, 131520, 147520, 177024, 189471, 221280, 252628, 263040, 295040, 315785, 378942, 442560, 505256, 631570, 757884, 885120, 947355, 1010512, 1263140, 1515768, 1894710, 2021024, 2526280, 3031536, 3789420, 4042048, 5052560, 6063072, 7578840, 8084096, 10105120, 12126144, 15157680, 20210240, 24252288, 30315360, 40420480, 60630720, 121261440]

約数ペア:

[(1, 121261440), (2, 60630720), (3, 40420480), (4, 30315360), (5, 24252288), (6, 20210240), (8, 15157680), (10, 12126144), (12, 10105120), (15, 8084096), (16, 7578840), (20, 6063072), (24, 5052560), (30, 4042048), (32, 3789420), (40, 3031536), (48, 2526280), (60, 2021024), (64, 1894710), (80, 1515768), (96, 1263140), (120, 1010512), (128, 947355), (137, 885120), (160, 757884), (192, 631570), (240, 505256), (274, 442560), (320, 378942), (384, 315785), (411, 295040), (461, 263040), (480, 252628), (548, 221280), (640, 189471), (685, 177024), (822, 147520), (922, 131520), (960, 126314), (1096, 110640), (1370, 88512), (1383, 87680), (1644, 73760), (1844, 65760), (1920, 63157), (2055, 59008), (2192, 55320), (2305, 52608), (2740, 44256), (2766, 43840), (3288, 36880), (3688, 32880), (4110, 29504), (4384, 27660), (4610, 26304), (5480, 22128), (5532, 21920), (6576, 18440), (6915, 17536), (7376, 16440), (8220, 14752), (8768, 13830), (9220, 13152), (10960, 11064)]