179896720

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^2\times {\mathrm{31}}^1\times {\mathrm{251}}^1$

素因数の和:329

約数の個数: 120

約数和(自身を含む): 460470528

約数和(自身を除く): 280573808

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 31, 34, 40, 62, 68, 80, 85, 124, 136, 155, 170, 248, 251, 272, 289, 310, 340, 496, 502, 527, 578, 620, 680, 1004, 1054, 1156, 1240, 1255, 1360, 1445, 2008, 2108, 2312, 2480, 2510, 2635, 2890, 4016, 4216, 4267, 4624, 5020, 5270, 5780, 7781, 8432, 8534, 8959, 10040, 10540, 11560, 15562, 17068, 17918, 20080, 21080, 21335, 23120, 31124, 34136, 35836, 38905, 42160, 42670, 44795, 62248, 68272, 71672, 72539, 77810, 85340, 89590, 124496, 132277, 143344, 145078, 155620, 170680, 179180, 264554, 290156, 311240, 341360, 358360, 362695, 529108, 580312, 622480, 661385, 716720, 725390, 1058216, 1160624, 1322770, 1450780, 2116432, 2248709, 2645540, 2901560, 4497418, 5291080, 5803120, 8994836, 10582160, 11243545, 17989672, 22487090, 35979344, 44974180, 89948360, 179896720]

約数ペア:

[(1, 179896720), (2, 89948360), (4, 44974180), (5, 35979344), (8, 22487090), (10, 17989672), (16, 11243545), (17, 10582160), (20, 8994836), (31, 5803120), (34, 5291080), (40, 4497418), (62, 2901560), (68, 2645540), (80, 2248709), (85, 2116432), (124, 1450780), (136, 1322770), (155, 1160624), (170, 1058216), (248, 725390), (251, 716720), (272, 661385), (289, 622480), (310, 580312), (340, 529108), (496, 362695), (502, 358360), (527, 341360), (578, 311240), (620, 290156), (680, 264554), (1004, 179180), (1054, 170680), (1156, 155620), (1240, 145078), (1255, 143344), (1360, 132277), (1445, 124496), (2008, 89590), (2108, 85340), (2312, 77810), (2480, 72539), (2510, 71672), (2635, 68272), (2890, 62248), (4016, 44795), (4216, 42670), (4267, 42160), (4624, 38905), (5020, 35836), (5270, 34136), (5780, 31124), (7781, 23120), (8432, 21335), (8534, 21080), (8959, 20080), (10040, 17918), (10540, 17068), (11560, 15562)]