166256720

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{157}}^1$

素因数の和:269

約数の個数: 160

約数和(自身を含む): 466446336

約数和(自身を除く): 300189616

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 35, 40, 56, 61, 62, 70, 80, 112, 122, 124, 140, 155, 157, 217, 244, 248, 280, 305, 310, 314, 427, 434, 488, 496, 560, 610, 620, 628, 785, 854, 868, 976, 1085, 1099, 1220, 1240, 1256, 1570, 1708, 1736, 1891, 2135, 2170, 2198, 2440, 2480, 2512, 3140, 3416, 3472, 3782, 4270, 4340, 4396, 4867, 4880, 5495, 6280, 6832, 7564, 8540, 8680, 8792, 9455, 9577, 9734, 10990, 12560, 13237, 15128, 17080, 17360, 17584, 18910, 19154, 19468, 21980, 24335, 26474, 30256, 34069, 34160, 37820, 38308, 38936, 43960, 47885, 48670, 52948, 66185, 67039, 68138, 75640, 76616, 77872, 87920, 95770, 97340, 105896, 132370, 134078, 136276, 151280, 153232, 170345, 191540, 194680, 211792, 264740, 268156, 272552, 296887, 335195, 340690, 383080, 389360, 529480, 536312, 545104, 593774, 670390, 681380, 766160, 1058960, 1072624, 1187548, 1340780, 1362760, 1484435, 2078209, 2375096, 2681560, 2725520, 2968870, 4156418, 4750192, 5363120, 5937740, 8312836, 10391045, 11875480, 16625672, 20782090, 23750960, 33251344, 41564180, 83128360, 166256720]

約数ペア:

[(1, 166256720), (2, 83128360), (4, 41564180), (5, 33251344), (7, 23750960), (8, 20782090), (10, 16625672), (14, 11875480), (16, 10391045), (20, 8312836), (28, 5937740), (31, 5363120), (35, 4750192), (40, 4156418), (56, 2968870), (61, 2725520), (62, 2681560), (70, 2375096), (80, 2078209), (112, 1484435), (122, 1362760), (124, 1340780), (140, 1187548), (155, 1072624), (157, 1058960), (217, 766160), (244, 681380), (248, 670390), (280, 593774), (305, 545104), (310, 536312), (314, 529480), (427, 389360), (434, 383080), (488, 340690), (496, 335195), (560, 296887), (610, 272552), (620, 268156), (628, 264740), (785, 211792), (854, 194680), (868, 191540), (976, 170345), (1085, 153232), (1099, 151280), (1220, 136276), (1240, 134078), (1256, 132370), (1570, 105896), (1708, 97340), (1736, 95770), (1891, 87920), (2135, 77872), (2170, 76616), (2198, 75640), (2440, 68138), (2480, 67039), (2512, 66185), (3140, 52948), (3416, 48670), (3472, 47885), (3782, 43960), (4270, 38936), (4340, 38308), (4396, 37820), (4867, 34160), (4880, 34069), (5495, 30256), (6280, 26474), (6832, 24335), (7564, 21980), (8540, 19468), (8680, 19154), (8792, 18910), (9455, 17584), (9577, 17360), (9734, 17080), (10990, 15128), (12560, 13237)]