87930990

素因数分解:

$2^1\times 3^2\times 5^1\times 7^2\times {\mathrm{127}}^1\times {\mathrm{157}}^1$

素因数の和:311

約数の個数: 144

約数和(自身を含む): 269747712

約数和(自身を除く): 181816722

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 49, 63, 70, 90, 98, 105, 126, 127, 147, 157, 210, 245, 254, 294, 314, 315, 381, 441, 471, 490, 630, 635, 735, 762, 785, 882, 889, 942, 1099, 1143, 1270, 1413, 1470, 1570, 1778, 1905, 2198, 2205, 2286, 2355, 2667, 2826, 3297, 3810, 4410, 4445, 4710, 5334, 5495, 5715, 6223, 6594, 7065, 7693, 8001, 8890, 9891, 10990, 11430, 12446, 13335, 14130, 15386, 16002, 16485, 18669, 19782, 19939, 23079, 26670, 31115, 32970, 37338, 38465, 39878, 40005, 46158, 49455, 56007, 59817, 62230, 69237, 76930, 80010, 93345, 98910, 99695, 112014, 115395, 119634, 138474, 139573, 179451, 186690, 199390, 230790, 279146, 280035, 299085, 346185, 358902, 418719, 560070, 598170, 692370, 697865, 837438, 897255, 977011, 1256157, 1395730, 1794510, 1954022, 2093595, 2512314, 2931033, 4187190, 4885055, 5862066, 6280785, 8793099, 9770110, 12561570, 14655165, 17586198, 29310330, 43965495, 87930990]

約数ペア:

[(1, 87930990), (2, 43965495), (3, 29310330), (5, 17586198), (6, 14655165), (7, 12561570), (9, 9770110), (10, 8793099), (14, 6280785), (15, 5862066), (18, 4885055), (21, 4187190), (30, 2931033), (35, 2512314), (42, 2093595), (45, 1954022), (49, 1794510), (63, 1395730), (70, 1256157), (90, 977011), (98, 897255), (105, 837438), (126, 697865), (127, 692370), (147, 598170), (157, 560070), (210, 418719), (245, 358902), (254, 346185), (294, 299085), (314, 280035), (315, 279146), (381, 230790), (441, 199390), (471, 186690), (490, 179451), (630, 139573), (635, 138474), (735, 119634), (762, 115395), (785, 112014), (882, 99695), (889, 98910), (942, 93345), (1099, 80010), (1143, 76930), (1270, 69237), (1413, 62230), (1470, 59817), (1570, 56007), (1778, 49455), (1905, 46158), (2198, 40005), (2205, 39878), (2286, 38465), (2355, 37338), (2667, 32970), (2826, 31115), (3297, 26670), (3810, 23079), (4410, 19939), (4445, 19782), (4710, 18669), (5334, 16485), (5495, 16002), (5715, 15386), (6223, 14130), (6594, 13335), (7065, 12446), (7693, 11430), (8001, 10990), (8890, 9891)]