1877899520

素因数分解:

$2^8\times 5^1\times 7^2\times {\mathrm{79}}^1\times {\mathrm{379}}^1$

素因数の和:493

約数の個数: 216

約数和(自身を含む): 5312764800

約数和(自身を除く): 3434865280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 64, 70, 79, 80, 98, 112, 128, 140, 158, 160, 196, 224, 245, 256, 280, 316, 320, 379, 392, 395, 448, 490, 553, 560, 632, 640, 758, 784, 790, 896, 980, 1106, 1120, 1264, 1280, 1516, 1568, 1580, 1792, 1895, 1960, 2212, 2240, 2528, 2653, 2765, 3032, 3136, 3160, 3790, 3871, 3920, 4424, 4480, 5056, 5306, 5530, 6064, 6272, 6320, 7580, 7742, 7840, 8848, 8960, 10112, 10612, 11060, 12128, 12544, 12640, 13265, 15160, 15484, 15680, 17696, 18571, 19355, 20224, 21224, 22120, 24256, 25280, 26530, 29941, 30320, 30968, 31360, 35392, 37142, 38710, 42448, 44240, 48512, 50560, 53060, 59882, 60640, 61936, 62720, 70784, 74284, 77420, 84896, 88480, 92855, 97024, 101120, 106120, 119764, 121280, 123872, 141568, 148568, 149705, 154840, 169792, 176960, 185710, 209587, 212240, 239528, 242560, 247744, 297136, 299410, 309680, 339584, 353920, 371420, 419174, 424480, 479056, 485120, 495488, 594272, 598820, 619360, 679168, 707840, 742840, 838348, 848960, 958112, 990976, 1047935, 1188544, 1197640, 1238720, 1467109, 1485680, 1676696, 1697920, 1916224, 2095870, 2377088, 2395280, 2477440, 2934218, 2971360, 3353392, 3395840, 3832448, 4191740, 4754176, 4790560, 4954880, 5868436, 5942720, 6706784, 7335545, 7664896, 8383480, 9581120, 11736872, 11885440, 13413568, 14671090, 16766960, 19162240, 23473744, 23770880, 26827136, 29342180, 33533920, 38324480, 46947488, 53654272, 58684360, 67067840, 93894976, 117368720, 134135680, 187789952, 234737440, 268271360, 375579904, 469474880, 938949760, 1877899520]

約数ペア:

[(1, 1877899520), (2, 938949760), (4, 469474880), (5, 375579904), (7, 268271360), (8, 234737440), (10, 187789952), (14, 134135680), (16, 117368720), (20, 93894976), (28, 67067840), (32, 58684360), (35, 53654272), (40, 46947488), (49, 38324480), (56, 33533920), (64, 29342180), (70, 26827136), (79, 23770880), (80, 23473744), (98, 19162240), (112, 16766960), (128, 14671090), (140, 13413568), (158, 11885440), (160, 11736872), (196, 9581120), (224, 8383480), (245, 7664896), (256, 7335545), (280, 6706784), (316, 5942720), (320, 5868436), (379, 4954880), (392, 4790560), (395, 4754176), (448, 4191740), (490, 3832448), (553, 3395840), (560, 3353392), (632, 2971360), (640, 2934218), (758, 2477440), (784, 2395280), (790, 2377088), (896, 2095870), (980, 1916224), (1106, 1697920), (1120, 1676696), (1264, 1485680), (1280, 1467109), (1516, 1238720), (1568, 1197640), (1580, 1188544), (1792, 1047935), (1895, 990976), (1960, 958112), (2212, 848960), (2240, 838348), (2528, 742840), (2653, 707840), (2765, 679168), (3032, 619360), (3136, 598820), (3160, 594272), (3790, 495488), (3871, 485120), (3920, 479056), (4424, 424480), (4480, 419174), (5056, 371420), (5306, 353920), (5530, 339584), (6064, 309680), (6272, 299410), (6320, 297136), (7580, 247744), (7742, 242560), (7840, 239528), (8848, 212240), (8960, 209587), (10112, 185710), (10612, 176960), (11060, 169792), (12128, 154840), (12544, 149705), (12640, 148568), (13265, 141568), (15160, 123872), (15484, 121280), (15680, 119764), (17696, 106120), (18571, 101120), (19355, 97024), (20224, 92855), (21224, 88480), (22120, 84896), (24256, 77420), (25280, 74284), (26530, 70784), (29941, 62720), (30320, 61936), (30968, 60640), (31360, 59882), (35392, 53060), (37142, 50560), (38710, 48512), (42448, 44240)]