1556219840

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{307}}^1$

素因数の和:435

約数の個数: 224

約数和(自身を含む): 4446081024

約数和(自身を除く): 2889861184

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 32, 35, 40, 56, 62, 64, 70, 73, 80, 112, 124, 140, 146, 155, 160, 217, 224, 248, 280, 292, 307, 310, 320, 365, 434, 448, 496, 511, 560, 584, 614, 620, 730, 868, 992, 1022, 1085, 1120, 1168, 1228, 1240, 1460, 1535, 1736, 1984, 2044, 2149, 2170, 2240, 2263, 2336, 2456, 2480, 2555, 2920, 3070, 3472, 4088, 4298, 4340, 4526, 4672, 4912, 4960, 5110, 5840, 6140, 6944, 8176, 8596, 8680, 9052, 9517, 9824, 9920, 10220, 10745, 11315, 11680, 12280, 13888, 15841, 16352, 17192, 17360, 18104, 19034, 19648, 20440, 21490, 22411, 22630, 23360, 24560, 31682, 32704, 34384, 34720, 36208, 38068, 40880, 42980, 44822, 45260, 47585, 49120, 63364, 66619, 68768, 69440, 72416, 76136, 79205, 81760, 85960, 89644, 90520, 95170, 98240, 112055, 126728, 133238, 137536, 144832, 152272, 156877, 158410, 163520, 171920, 179288, 181040, 190340, 224110, 253456, 266476, 304544, 313754, 316820, 333095, 343840, 358576, 362080, 380680, 448220, 506912, 532952, 609088, 627508, 633640, 666190, 687680, 694741, 717152, 724160, 761360, 784385, 896440, 1013824, 1065904, 1255016, 1267280, 1332380, 1389482, 1434304, 1522720, 1568770, 1792880, 2131808, 2510032, 2534560, 2664760, 2778964, 3045440, 3137540, 3473705, 3585760, 4263616, 4863187, 5020064, 5069120, 5329520, 5557928, 6275080, 6947410, 7171520, 9726374, 10040128, 10659040, 11115856, 12550160, 13894820, 19452748, 21318080, 22231712, 24315935, 25100320, 27789640, 38905496, 44463424, 48631870, 50200640, 55579280, 77810992, 97263740, 111158560, 155621984, 194527480, 222317120, 311243968, 389054960, 778109920, 1556219840]

約数ペア:

[(1, 1556219840), (2, 778109920), (4, 389054960), (5, 311243968), (7, 222317120), (8, 194527480), (10, 155621984), (14, 111158560), (16, 97263740), (20, 77810992), (28, 55579280), (31, 50200640), (32, 48631870), (35, 44463424), (40, 38905496), (56, 27789640), (62, 25100320), (64, 24315935), (70, 22231712), (73, 21318080), (80, 19452748), (112, 13894820), (124, 12550160), (140, 11115856), (146, 10659040), (155, 10040128), (160, 9726374), (217, 7171520), (224, 6947410), (248, 6275080), (280, 5557928), (292, 5329520), (307, 5069120), (310, 5020064), (320, 4863187), (365, 4263616), (434, 3585760), (448, 3473705), (496, 3137540), (511, 3045440), (560, 2778964), (584, 2664760), (614, 2534560), (620, 2510032), (730, 2131808), (868, 1792880), (992, 1568770), (1022, 1522720), (1085, 1434304), (1120, 1389482), (1168, 1332380), (1228, 1267280), (1240, 1255016), (1460, 1065904), (1535, 1013824), (1736, 896440), (1984, 784385), (2044, 761360), (2149, 724160), (2170, 717152), (2240, 694741), (2263, 687680), (2336, 666190), (2456, 633640), (2480, 627508), (2555, 609088), (2920, 532952), (3070, 506912), (3472, 448220), (4088, 380680), (4298, 362080), (4340, 358576), (4526, 343840), (4672, 333095), (4912, 316820), (4960, 313754), (5110, 304544), (5840, 266476), (6140, 253456), (6944, 224110), (8176, 190340), (8596, 181040), (8680, 179288), (9052, 171920), (9517, 163520), (9824, 158410), (9920, 156877), (10220, 152272), (10745, 144832), (11315, 137536), (11680, 133238), (12280, 126728), (13888, 112055), (15841, 98240), (16352, 95170), (17192, 90520), (17360, 89644), (18104, 85960), (19034, 81760), (19648, 79205), (20440, 76136), (21490, 72416), (22411, 69440), (22630, 68768), (23360, 66619), (24560, 63364), (31682, 49120), (32704, 47585), (34384, 45260), (34720, 44822), (36208, 42980), (38068, 40880)]