84657280

素因数分解:

$2^7\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{251}}^1$

素因数の和:318

約数の個数: 128

約数和(自身を含む): 222082560

約数和(自身を除く): 137425280

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 31, 32, 34, 40, 62, 64, 68, 80, 85, 124, 128, 136, 155, 160, 170, 248, 251, 272, 310, 320, 340, 496, 502, 527, 544, 620, 640, 680, 992, 1004, 1054, 1088, 1240, 1255, 1360, 1984, 2008, 2108, 2176, 2480, 2510, 2635, 2720, 3968, 4016, 4216, 4267, 4960, 5020, 5270, 5440, 7781, 8032, 8432, 8534, 9920, 10040, 10540, 10880, 15562, 16064, 16864, 17068, 19840, 20080, 21080, 21335, 31124, 32128, 33728, 34136, 38905, 40160, 42160, 42670, 62248, 67456, 68272, 77810, 80320, 84320, 85340, 124496, 132277, 136544, 155620, 160640, 168640, 170680, 248992, 264554, 273088, 311240, 337280, 341360, 497984, 529108, 546176, 622480, 661385, 682720, 995968, 1058216, 1244960, 1322770, 1365440, 2116432, 2489920, 2645540, 2730880, 4232864, 4979840, 5291080, 8465728, 10582160, 16931456, 21164320, 42328640, 84657280]

約数ペア:

[(1, 84657280), (2, 42328640), (4, 21164320), (5, 16931456), (8, 10582160), (10, 8465728), (16, 5291080), (17, 4979840), (20, 4232864), (31, 2730880), (32, 2645540), (34, 2489920), (40, 2116432), (62, 1365440), (64, 1322770), (68, 1244960), (80, 1058216), (85, 995968), (124, 682720), (128, 661385), (136, 622480), (155, 546176), (160, 529108), (170, 497984), (248, 341360), (251, 337280), (272, 311240), (310, 273088), (320, 264554), (340, 248992), (496, 170680), (502, 168640), (527, 160640), (544, 155620), (620, 136544), (640, 132277), (680, 124496), (992, 85340), (1004, 84320), (1054, 80320), (1088, 77810), (1240, 68272), (1255, 67456), (1360, 62248), (1984, 42670), (2008, 42160), (2108, 40160), (2176, 38905), (2480, 34136), (2510, 33728), (2635, 32128), (2720, 31124), (3968, 21335), (4016, 21080), (4216, 20080), (4267, 19840), (4960, 17068), (5020, 16864), (5270, 16064), (5440, 15562), (7781, 10880), (8032, 10540), (8432, 10040), (8534, 9920)]