30470720

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{223}}^1$

素因数の和:308

約数の個数: 112

約数和(自身を含む): 84661248

約数和(自身を除く): 54190528

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 61, 64, 70, 80, 112, 122, 140, 160, 223, 224, 244, 280, 305, 320, 427, 446, 448, 488, 560, 610, 854, 892, 976, 1115, 1120, 1220, 1561, 1708, 1784, 1952, 2135, 2230, 2240, 2440, 3122, 3416, 3568, 3904, 4270, 4460, 4880, 6244, 6832, 7136, 7805, 8540, 8920, 9760, 12488, 13603, 13664, 14272, 15610, 17080, 17840, 19520, 24976, 27206, 27328, 31220, 34160, 35680, 49952, 54412, 62440, 68015, 68320, 71360, 95221, 99904, 108824, 124880, 136030, 136640, 190442, 217648, 249760, 272060, 380884, 435296, 476105, 499520, 544120, 761768, 870592, 952210, 1088240, 1523536, 1904420, 2176480, 3047072, 3808840, 4352960, 6094144, 7617680, 15235360, 30470720]

約数ペア:

[(1, 30470720), (2, 15235360), (4, 7617680), (5, 6094144), (7, 4352960), (8, 3808840), (10, 3047072), (14, 2176480), (16, 1904420), (20, 1523536), (28, 1088240), (32, 952210), (35, 870592), (40, 761768), (56, 544120), (61, 499520), (64, 476105), (70, 435296), (80, 380884), (112, 272060), (122, 249760), (140, 217648), (160, 190442), (223, 136640), (224, 136030), (244, 124880), (280, 108824), (305, 99904), (320, 95221), (427, 71360), (446, 68320), (448, 68015), (488, 62440), (560, 54412), (610, 49952), (854, 35680), (892, 34160), (976, 31220), (1115, 27328), (1120, 27206), (1220, 24976), (1561, 19520), (1708, 17840), (1784, 17080), (1952, 15610), (2135, 14272), (2230, 13664), (2240, 13603), (2440, 12488), (3122, 9760), (3416, 8920), (3568, 8540), (3904, 7805), (4270, 7136), (4460, 6832), (4880, 6244)]