1283806720

素因数分解:

$2^9\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{2311}}^1$

素因数の和:2372

約数の個数: 160

約数和(自身を含む): 3632910336

約数和(自身を除く): 2349103616

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 32, 35, 40, 56, 62, 64, 70, 80, 112, 124, 128, 140, 155, 160, 217, 224, 248, 256, 280, 310, 320, 434, 448, 496, 512, 560, 620, 640, 868, 896, 992, 1085, 1120, 1240, 1280, 1736, 1792, 1984, 2170, 2240, 2311, 2480, 2560, 3472, 3584, 3968, 4340, 4480, 4622, 4960, 6944, 7936, 8680, 8960, 9244, 9920, 11555, 13888, 15872, 16177, 17360, 17920, 18488, 19840, 23110, 27776, 32354, 34720, 36976, 39680, 46220, 55552, 64708, 69440, 71641, 73952, 79360, 80885, 92440, 111104, 129416, 138880, 143282, 147904, 161770, 184880, 258832, 277760, 286564, 295808, 323540, 358205, 369760, 501487, 517664, 555520, 573128, 591616, 647080, 716410, 739520, 1002974, 1035328, 1146256, 1183232, 1294160, 1432820, 1479040, 2005948, 2070656, 2292512, 2507435, 2588320, 2865640, 2958080, 4011896, 4141312, 4585024, 5014870, 5176640, 5731280, 5916160, 8023792, 8282624, 9170048, 10029740, 10353280, 11462560, 16047584, 18340096, 20059480, 20706560, 22925120, 32095168, 36680192, 40118960, 41413120, 45850240, 64190336, 80237920, 91700480, 128380672, 160475840, 183400960, 256761344, 320951680, 641903360, 1283806720]

約数ペア:

[(1, 1283806720), (2, 641903360), (4, 320951680), (5, 256761344), (7, 183400960), (8, 160475840), (10, 128380672), (14, 91700480), (16, 80237920), (20, 64190336), (28, 45850240), (31, 41413120), (32, 40118960), (35, 36680192), (40, 32095168), (56, 22925120), (62, 20706560), (64, 20059480), (70, 18340096), (80, 16047584), (112, 11462560), (124, 10353280), (128, 10029740), (140, 9170048), (155, 8282624), (160, 8023792), (217, 5916160), (224, 5731280), (248, 5176640), (256, 5014870), (280, 4585024), (310, 4141312), (320, 4011896), (434, 2958080), (448, 2865640), (496, 2588320), (512, 2507435), (560, 2292512), (620, 2070656), (640, 2005948), (868, 1479040), (896, 1432820), (992, 1294160), (1085, 1183232), (1120, 1146256), (1240, 1035328), (1280, 1002974), (1736, 739520), (1792, 716410), (1984, 647080), (2170, 591616), (2240, 573128), (2311, 555520), (2480, 517664), (2560, 501487), (3472, 369760), (3584, 358205), (3968, 323540), (4340, 295808), (4480, 286564), (4622, 277760), (4960, 258832), (6944, 184880), (7936, 161770), (8680, 147904), (8960, 143282), (9244, 138880), (9920, 129416), (11555, 111104), (13888, 92440), (15872, 80885), (16177, 79360), (17360, 73952), (17920, 71641), (18488, 69440), (19840, 64708), (23110, 55552), (27776, 46220), (32354, 39680), (34720, 36976)]