251238960

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{631}}^1$

素因数の和:736

約数の個数: 240

約数和(自身を含む): 978032640

約数和(自身を除く): 726793680

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 48, 56, 60, 63, 70, 72, 79, 80, 84, 90, 105, 112, 120, 126, 140, 144, 158, 168, 180, 210, 237, 240, 252, 280, 315, 316, 336, 360, 395, 420, 474, 504, 553, 560, 630, 631, 632, 711, 720, 790, 840, 948, 1008, 1106, 1185, 1260, 1262, 1264, 1422, 1580, 1659, 1680, 1893, 1896, 2212, 2370, 2520, 2524, 2765, 2844, 3155, 3160, 3318, 3555, 3786, 3792, 4417, 4424, 4740, 4977, 5040, 5048, 5530, 5679, 5688, 6310, 6320, 6636, 7110, 7572, 8295, 8834, 8848, 9465, 9480, 9954, 10096, 11060, 11358, 11376, 12620, 13251, 13272, 14220, 15144, 16590, 17668, 18930, 18960, 19908, 22085, 22120, 22716, 24885, 25240, 26502, 26544, 28395, 28440, 30288, 33180, 35336, 37860, 39753, 39816, 44170, 44240, 45432, 49770, 49849, 50480, 53004, 56790, 56880, 66255, 66360, 70672, 75720, 79506, 79632, 88340, 90864, 99540, 99698, 106008, 113580, 132510, 132720, 149547, 151440, 159012, 176680, 198765, 199080, 199396, 212016, 227160, 249245, 265020, 299094, 318024, 348943, 353360, 397530, 398160, 398792, 448641, 454320, 498490, 530040, 598188, 636048, 697886, 747735, 795060, 797584, 897282, 996980, 1046829, 1060080, 1196376, 1395772, 1495470, 1590120, 1744715, 1794564, 1993960, 2093658, 2243205, 2392752, 2791544, 2990940, 3140487, 3180240, 3489430, 3589128, 3987920, 4187316, 4486410, 5234145, 5583088, 5981880, 6280974, 6978860, 7178256, 8374632, 8972820, 10468290, 11963760, 12561948, 13957720, 15702435, 16749264, 17945640, 20936580, 25123896, 27915440, 31404870, 35891280, 41873160, 50247792, 62809740, 83746320, 125619480, 251238960]

約数ペア:

[(1, 251238960), (2, 125619480), (3, 83746320), (4, 62809740), (5, 50247792), (6, 41873160), (7, 35891280), (8, 31404870), (9, 27915440), (10, 25123896), (12, 20936580), (14, 17945640), (15, 16749264), (16, 15702435), (18, 13957720), (20, 12561948), (21, 11963760), (24, 10468290), (28, 8972820), (30, 8374632), (35, 7178256), (36, 6978860), (40, 6280974), (42, 5981880), (45, 5583088), (48, 5234145), (56, 4486410), (60, 4187316), (63, 3987920), (70, 3589128), (72, 3489430), (79, 3180240), (80, 3140487), (84, 2990940), (90, 2791544), (105, 2392752), (112, 2243205), (120, 2093658), (126, 1993960), (140, 1794564), (144, 1744715), (158, 1590120), (168, 1495470), (180, 1395772), (210, 1196376), (237, 1060080), (240, 1046829), (252, 996980), (280, 897282), (315, 797584), (316, 795060), (336, 747735), (360, 697886), (395, 636048), (420, 598188), (474, 530040), (504, 498490), (553, 454320), (560, 448641), (630, 398792), (631, 398160), (632, 397530), (711, 353360), (720, 348943), (790, 318024), (840, 299094), (948, 265020), (1008, 249245), (1106, 227160), (1185, 212016), (1260, 199396), (1262, 199080), (1264, 198765), (1422, 176680), (1580, 159012), (1659, 151440), (1680, 149547), (1893, 132720), (1896, 132510), (2212, 113580), (2370, 106008), (2520, 99698), (2524, 99540), (2765, 90864), (2844, 88340), (3155, 79632), (3160, 79506), (3318, 75720), (3555, 70672), (3786, 66360), (3792, 66255), (4417, 56880), (4424, 56790), (4740, 53004), (4977, 50480), (5040, 49849), (5048, 49770), (5530, 45432), (5679, 44240), (5688, 44170), (6310, 39816), (6320, 39753), (6636, 37860), (7110, 35336), (7572, 33180), (8295, 30288), (8834, 28440), (8848, 28395), (9465, 26544), (9480, 26502), (9954, 25240), (10096, 24885), (11060, 22716), (11358, 22120), (11376, 22085), (12620, 19908), (13251, 18960), (13272, 18930), (14220, 17668), (15144, 16590)]