51316720

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1$

素因数の和:112

約数の個数: 240

約数和(自身を含む): 160302240

約数和(自身を除く): 108985520

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 19, 20, 26, 28, 35, 38, 40, 49, 52, 53, 56, 65, 70, 76, 80, 91, 95, 98, 104, 106, 112, 130, 133, 140, 152, 182, 190, 196, 208, 212, 245, 247, 260, 265, 266, 280, 304, 364, 371, 380, 392, 424, 455, 490, 494, 520, 530, 532, 560, 637, 665, 689, 728, 742, 760, 784, 848, 910, 931, 980, 988, 1007, 1040, 1060, 1064, 1235, 1274, 1330, 1378, 1456, 1484, 1520, 1729, 1820, 1855, 1862, 1960, 1976, 2014, 2120, 2128, 2470, 2548, 2597, 2660, 2756, 2968, 3185, 3445, 3458, 3640, 3710, 3724, 3920, 3952, 4028, 4240, 4655, 4823, 4940, 5035, 5096, 5194, 5320, 5512, 5936, 6370, 6890, 6916, 7049, 7280, 7420, 7448, 8056, 8645, 9310, 9646, 9880, 10070, 10192, 10388, 10640, 11024, 12103, 12740, 12985, 13091, 13780, 13832, 14098, 14840, 14896, 16112, 17290, 18620, 19292, 19760, 20140, 20776, 24115, 24206, 25480, 25970, 26182, 27560, 27664, 28196, 29680, 33761, 34580, 35245, 37240, 38584, 40280, 41552, 48230, 48412, 49343, 50960, 51940, 52364, 55120, 56392, 60515, 65455, 67522, 69160, 70490, 74480, 77168, 80560, 91637, 96460, 96824, 98686, 103880, 104728, 112784, 121030, 130910, 135044, 138320, 140980, 168805, 183274, 192920, 193648, 197372, 207760, 209456, 242060, 246715, 261820, 270088, 281960, 337610, 366548, 385840, 394744, 458185, 484120, 493430, 523640, 540176, 563920, 641459, 675220, 733096, 789488, 916370, 968240, 986860, 1047280, 1282918, 1350440, 1466192, 1832740, 1973720, 2565836, 2700880, 3207295, 3665480, 3947440, 5131672, 6414590, 7330960, 10263344, 12829180, 25658360, 51316720]

約数ペア:

[(1, 51316720), (2, 25658360), (4, 12829180), (5, 10263344), (7, 7330960), (8, 6414590), (10, 5131672), (13, 3947440), (14, 3665480), (16, 3207295), (19, 2700880), (20, 2565836), (26, 1973720), (28, 1832740), (35, 1466192), (38, 1350440), (40, 1282918), (49, 1047280), (52, 986860), (53, 968240), (56, 916370), (65, 789488), (70, 733096), (76, 675220), (80, 641459), (91, 563920), (95, 540176), (98, 523640), (104, 493430), (106, 484120), (112, 458185), (130, 394744), (133, 385840), (140, 366548), (152, 337610), (182, 281960), (190, 270088), (196, 261820), (208, 246715), (212, 242060), (245, 209456), (247, 207760), (260, 197372), (265, 193648), (266, 192920), (280, 183274), (304, 168805), (364, 140980), (371, 138320), (380, 135044), (392, 130910), (424, 121030), (455, 112784), (490, 104728), (494, 103880), (520, 98686), (530, 96824), (532, 96460), (560, 91637), (637, 80560), (665, 77168), (689, 74480), (728, 70490), (742, 69160), (760, 67522), (784, 65455), (848, 60515), (910, 56392), (931, 55120), (980, 52364), (988, 51940), (1007, 50960), (1040, 49343), (1060, 48412), (1064, 48230), (1235, 41552), (1274, 40280), (1330, 38584), (1378, 37240), (1456, 35245), (1484, 34580), (1520, 33761), (1729, 29680), (1820, 28196), (1855, 27664), (1862, 27560), (1960, 26182), (1976, 25970), (2014, 25480), (2120, 24206), (2128, 24115), (2470, 20776), (2548, 20140), (2597, 19760), (2660, 19292), (2756, 18620), (2968, 17290), (3185, 16112), (3445, 14896), (3458, 14840), (3640, 14098), (3710, 13832), (3724, 13780), (3920, 13091), (3952, 12985), (4028, 12740), (4240, 12103), (4655, 11024), (4823, 10640), (4940, 10388), (5035, 10192), (5096, 10070), (5194, 9880), (5320, 9646), (5512, 9310), (5936, 8645), (6370, 8056), (6890, 7448), (6916, 7420), (7049, 7280)]