12819878960

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{157}}^1\times {\mathrm{3391}}^1$

素因数の和:3611

約数の個数: 160

約数和(自身を含む): 35088801792

約数和(自身を除く): 22268922832

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 43, 56, 70, 80, 86, 112, 140, 157, 172, 215, 280, 301, 314, 344, 430, 560, 602, 628, 688, 785, 860, 1099, 1204, 1256, 1505, 1570, 1720, 2198, 2408, 2512, 3010, 3140, 3391, 3440, 4396, 4816, 5495, 6020, 6280, 6751, 6782, 8792, 10990, 12040, 12560, 13502, 13564, 16955, 17584, 21980, 23737, 24080, 27004, 27128, 33755, 33910, 43960, 47257, 47474, 54008, 54256, 67510, 67820, 87920, 94514, 94948, 108016, 118685, 135020, 135640, 145813, 189028, 189896, 236285, 237370, 270040, 271280, 291626, 378056, 379792, 472570, 474740, 532387, 540080, 583252, 729065, 756112, 945140, 949480, 1020691, 1064774, 1166504, 1458130, 1890280, 1898960, 2041382, 2129548, 2333008, 2661935, 2916260, 3726709, 3780560, 4082764, 4259096, 5103455, 5323870, 5832520, 7453418, 8165528, 8518192, 10206910, 10647740, 11665040, 14906836, 16331056, 18633545, 20413820, 21295480, 22892641, 29813672, 37267090, 40827640, 42590960, 45785282, 59627344, 74534180, 81655280, 91570564, 114463205, 149068360, 160248487, 183141128, 228926410, 298136720, 320496974, 366282256, 457852820, 640993948, 801242435, 915705640, 1281987896, 1602484870, 1831411280, 2563975792, 3204969740, 6409939480, 12819878960]

約数ペア:

[(1, 12819878960), (2, 6409939480), (4, 3204969740), (5, 2563975792), (7, 1831411280), (8, 1602484870), (10, 1281987896), (14, 915705640), (16, 801242435), (20, 640993948), (28, 457852820), (35, 366282256), (40, 320496974), (43, 298136720), (56, 228926410), (70, 183141128), (80, 160248487), (86, 149068360), (112, 114463205), (140, 91570564), (157, 81655280), (172, 74534180), (215, 59627344), (280, 45785282), (301, 42590960), (314, 40827640), (344, 37267090), (430, 29813672), (560, 22892641), (602, 21295480), (628, 20413820), (688, 18633545), (785, 16331056), (860, 14906836), (1099, 11665040), (1204, 10647740), (1256, 10206910), (1505, 8518192), (1570, 8165528), (1720, 7453418), (2198, 5832520), (2408, 5323870), (2512, 5103455), (3010, 4259096), (3140, 4082764), (3391, 3780560), (3440, 3726709), (4396, 2916260), (4816, 2661935), (5495, 2333008), (6020, 2129548), (6280, 2041382), (6751, 1898960), (6782, 1890280), (8792, 1458130), (10990, 1166504), (12040, 1064774), (12560, 1020691), (13502, 949480), (13564, 945140), (16955, 756112), (17584, 729065), (21980, 583252), (23737, 540080), (24080, 532387), (27004, 474740), (27128, 472570), (33755, 379792), (33910, 378056), (43960, 291626), (47257, 271280), (47474, 270040), (54008, 237370), (54256, 236285), (67510, 189896), (67820, 189028), (87920, 145813), (94514, 135640), (94948, 135020), (108016, 118685)]