51216480

素因数分解:

$2^5\times 3^2\times 5^1\times 7^1\times {\mathrm{5081}}^1$

素因数の和:5109

約数の個数: 144

約数和(自身を含む): 199783584

約数和(自身を除く): 148567104

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 32, 35, 36, 40, 42, 45, 48, 56, 60, 63, 70, 72, 80, 84, 90, 96, 105, 112, 120, 126, 140, 144, 160, 168, 180, 210, 224, 240, 252, 280, 288, 315, 336, 360, 420, 480, 504, 560, 630, 672, 720, 840, 1008, 1120, 1260, 1440, 1680, 2016, 2520, 3360, 5040, 5081, 10080, 10162, 15243, 20324, 25405, 30486, 35567, 40648, 45729, 50810, 60972, 71134, 76215, 81296, 91458, 101620, 106701, 121944, 142268, 152430, 162592, 177835, 182916, 203240, 213402, 228645, 243888, 284536, 304860, 320103, 355670, 365832, 406480, 426804, 457290, 487776, 533505, 569072, 609720, 640206, 711340, 731664, 812960, 853608, 914580, 1067010, 1138144, 1219440, 1280412, 1422680, 1463328, 1600515, 1707216, 1829160, 2134020, 2438880, 2560824, 2845360, 3201030, 3414432, 3658320, 4268040, 5121648, 5690720, 6402060, 7316640, 8536080, 10243296, 12804120, 17072160, 25608240, 51216480]

約数ペア:

[(1, 51216480), (2, 25608240), (3, 17072160), (4, 12804120), (5, 10243296), (6, 8536080), (7, 7316640), (8, 6402060), (9, 5690720), (10, 5121648), (12, 4268040), (14, 3658320), (15, 3414432), (16, 3201030), (18, 2845360), (20, 2560824), (21, 2438880), (24, 2134020), (28, 1829160), (30, 1707216), (32, 1600515), (35, 1463328), (36, 1422680), (40, 1280412), (42, 1219440), (45, 1138144), (48, 1067010), (56, 914580), (60, 853608), (63, 812960), (70, 731664), (72, 711340), (80, 640206), (84, 609720), (90, 569072), (96, 533505), (105, 487776), (112, 457290), (120, 426804), (126, 406480), (140, 365832), (144, 355670), (160, 320103), (168, 304860), (180, 284536), (210, 243888), (224, 228645), (240, 213402), (252, 203240), (280, 182916), (288, 177835), (315, 162592), (336, 152430), (360, 142268), (420, 121944), (480, 106701), (504, 101620), (560, 91458), (630, 81296), (672, 76215), (720, 71134), (840, 60972), (1008, 50810), (1120, 45729), (1260, 40648), (1440, 35567), (1680, 30486), (2016, 25405), (2520, 20324), (3360, 15243), (5040, 10162), (5081, 10080)]