8720320

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{229}}^1$

素因数の和:270

約数の個数: 112

約数和(自身を含む): 25237440

約数和(自身を除く): 16517120

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 17, 20, 28, 32, 34, 35, 40, 56, 64, 68, 70, 80, 85, 112, 119, 136, 140, 160, 170, 224, 229, 238, 272, 280, 320, 340, 448, 458, 476, 544, 560, 595, 680, 916, 952, 1088, 1120, 1145, 1190, 1360, 1603, 1832, 1904, 2240, 2290, 2380, 2720, 3206, 3664, 3808, 3893, 4580, 4760, 5440, 6412, 7328, 7616, 7786, 8015, 9160, 9520, 12824, 14656, 15572, 16030, 18320, 19040, 19465, 25648, 27251, 31144, 32060, 36640, 38080, 38930, 51296, 54502, 62288, 64120, 73280, 77860, 102592, 109004, 124576, 128240, 136255, 155720, 218008, 249152, 256480, 272510, 311440, 436016, 512960, 545020, 622880, 872032, 1090040, 1245760, 1744064, 2180080, 4360160, 8720320]

約数ペア:

[(1, 8720320), (2, 4360160), (4, 2180080), (5, 1744064), (7, 1245760), (8, 1090040), (10, 872032), (14, 622880), (16, 545020), (17, 512960), (20, 436016), (28, 311440), (32, 272510), (34, 256480), (35, 249152), (40, 218008), (56, 155720), (64, 136255), (68, 128240), (70, 124576), (80, 109004), (85, 102592), (112, 77860), (119, 73280), (136, 64120), (140, 62288), (160, 54502), (170, 51296), (224, 38930), (229, 38080), (238, 36640), (272, 32060), (280, 31144), (320, 27251), (340, 25648), (448, 19465), (458, 19040), (476, 18320), (544, 16030), (560, 15572), (595, 14656), (680, 12824), (916, 9520), (952, 9160), (1088, 8015), (1120, 7786), (1145, 7616), (1190, 7328), (1360, 6412), (1603, 5440), (1832, 4760), (1904, 4580), (2240, 3893), (2290, 3808), (2380, 3664), (2720, 3206)]