407256640

素因数分解:

$2^6\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{1367}}^1$

素因数の和:1417

約数の個数: 168

約数和(自身を含む): 1188354240

約数和(自身を除く): 781097600

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 32, 35, 38, 40, 49, 56, 64, 70, 76, 80, 95, 98, 112, 133, 140, 152, 160, 190, 196, 224, 245, 266, 280, 304, 320, 380, 392, 448, 490, 532, 560, 608, 665, 760, 784, 931, 980, 1064, 1120, 1216, 1330, 1367, 1520, 1568, 1862, 1960, 2128, 2240, 2660, 2734, 3040, 3136, 3724, 3920, 4256, 4655, 5320, 5468, 6080, 6835, 7448, 7840, 8512, 9310, 9569, 10640, 10936, 13670, 14896, 15680, 18620, 19138, 21280, 21872, 25973, 27340, 29792, 37240, 38276, 42560, 43744, 47845, 51946, 54680, 59584, 66983, 74480, 76552, 87488, 95690, 103892, 109360, 129865, 133966, 148960, 153104, 181811, 191380, 207784, 218720, 259730, 267932, 297920, 306208, 334915, 363622, 382760, 415568, 437440, 519460, 535864, 612416, 669830, 727244, 765520, 831136, 909055, 1038920, 1071728, 1272677, 1339660, 1454488, 1531040, 1662272, 1818110, 2077840, 2143456, 2545354, 2679320, 2908976, 3062080, 3636220, 4155680, 4286912, 5090708, 5358640, 5817952, 6363385, 7272440, 8311360, 10181416, 10717280, 11635904, 12726770, 14544880, 20362832, 21434560, 25453540, 29089760, 40725664, 50907080, 58179520, 81451328, 101814160, 203628320, 407256640]

約数ペア:

[(1, 407256640), (2, 203628320), (4, 101814160), (5, 81451328), (7, 58179520), (8, 50907080), (10, 40725664), (14, 29089760), (16, 25453540), (19, 21434560), (20, 20362832), (28, 14544880), (32, 12726770), (35, 11635904), (38, 10717280), (40, 10181416), (49, 8311360), (56, 7272440), (64, 6363385), (70, 5817952), (76, 5358640), (80, 5090708), (95, 4286912), (98, 4155680), (112, 3636220), (133, 3062080), (140, 2908976), (152, 2679320), (160, 2545354), (190, 2143456), (196, 2077840), (224, 1818110), (245, 1662272), (266, 1531040), (280, 1454488), (304, 1339660), (320, 1272677), (380, 1071728), (392, 1038920), (448, 909055), (490, 831136), (532, 765520), (560, 727244), (608, 669830), (665, 612416), (760, 535864), (784, 519460), (931, 437440), (980, 415568), (1064, 382760), (1120, 363622), (1216, 334915), (1330, 306208), (1367, 297920), (1520, 267932), (1568, 259730), (1862, 218720), (1960, 207784), (2128, 191380), (2240, 181811), (2660, 153104), (2734, 148960), (3040, 133966), (3136, 129865), (3724, 109360), (3920, 103892), (4256, 95690), (4655, 87488), (5320, 76552), (5468, 74480), (6080, 66983), (6835, 59584), (7448, 54680), (7840, 51946), (8512, 47845), (9310, 43744), (9569, 42560), (10640, 38276), (10936, 37240), (13670, 29792), (14896, 27340), (15680, 25973), (18620, 21872), (19138, 21280)]