2781642080

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{83}}^1\times {\mathrm{1301}}^1$

素因数の和:1429

約数の個数: 192

約数和(自身を含む): 7937491968

約数和(自身を除く): 5155849888

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 28, 32, 35, 40, 46, 56, 70, 80, 83, 92, 112, 115, 140, 160, 161, 166, 184, 224, 230, 280, 322, 332, 368, 415, 460, 560, 581, 644, 664, 736, 805, 830, 920, 1120, 1162, 1288, 1301, 1328, 1610, 1660, 1840, 1909, 2324, 2576, 2602, 2656, 2905, 3220, 3320, 3680, 3818, 4648, 5152, 5204, 5810, 6440, 6505, 6640, 7636, 9107, 9296, 9545, 10408, 11620, 12880, 13010, 13280, 13363, 15272, 18214, 18592, 19090, 20816, 23240, 25760, 26020, 26726, 29923, 30544, 36428, 38180, 41632, 45535, 46480, 52040, 53452, 59846, 61088, 66815, 72856, 76360, 91070, 92960, 104080, 106904, 107983, 119692, 133630, 145712, 149615, 152720, 182140, 208160, 209461, 213808, 215966, 239384, 267260, 291424, 299230, 305440, 364280, 418922, 427616, 431932, 478768, 534520, 539915, 598460, 728560, 755881, 837844, 863864, 957536, 1047305, 1069040, 1079830, 1196920, 1457120, 1511762, 1675688, 1727728, 2094610, 2138080, 2159660, 2393840, 2483609, 3023524, 3351376, 3455456, 3779405, 4189220, 4319320, 4787680, 4967218, 6047048, 6702752, 7558810, 8378440, 8638640, 9934436, 12094096, 12418045, 15117620, 16756880, 17277280, 17385263, 19868872, 24188192, 24836090, 30235240, 33513760, 34770526, 39737744, 49672180, 60470480, 69541052, 79475488, 86926315, 99344360, 120940960, 139082104, 173852630, 198688720, 278164208, 347705260, 397377440, 556328416, 695410520, 1390821040, 2781642080]

約数ペア:

[(1, 2781642080), (2, 1390821040), (4, 695410520), (5, 556328416), (7, 397377440), (8, 347705260), (10, 278164208), (14, 198688720), (16, 173852630), (20, 139082104), (23, 120940960), (28, 99344360), (32, 86926315), (35, 79475488), (40, 69541052), (46, 60470480), (56, 49672180), (70, 39737744), (80, 34770526), (83, 33513760), (92, 30235240), (112, 24836090), (115, 24188192), (140, 19868872), (160, 17385263), (161, 17277280), (166, 16756880), (184, 15117620), (224, 12418045), (230, 12094096), (280, 9934436), (322, 8638640), (332, 8378440), (368, 7558810), (415, 6702752), (460, 6047048), (560, 4967218), (581, 4787680), (644, 4319320), (664, 4189220), (736, 3779405), (805, 3455456), (830, 3351376), (920, 3023524), (1120, 2483609), (1162, 2393840), (1288, 2159660), (1301, 2138080), (1328, 2094610), (1610, 1727728), (1660, 1675688), (1840, 1511762), (1909, 1457120), (2324, 1196920), (2576, 1079830), (2602, 1069040), (2656, 1047305), (2905, 957536), (3220, 863864), (3320, 837844), (3680, 755881), (3818, 728560), (4648, 598460), (5152, 539915), (5204, 534520), (5810, 478768), (6440, 431932), (6505, 427616), (6640, 418922), (7636, 364280), (9107, 305440), (9296, 299230), (9545, 291424), (10408, 267260), (11620, 239384), (12880, 215966), (13010, 213808), (13280, 209461), (13363, 208160), (15272, 182140), (18214, 152720), (18592, 149615), (19090, 145712), (20816, 133630), (23240, 119692), (25760, 107983), (26020, 106904), (26726, 104080), (29923, 92960), (30544, 91070), (36428, 76360), (38180, 72856), (41632, 66815), (45535, 61088), (46480, 59846), (52040, 53452)]