851056640

素因数分解:

$2^{11}\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{383}}^1$

素因数の和:448

約数の個数: 192

約数和(自身を含む): 2415329280

約数和(自身を除く): 1564272640

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, 383, 434, 448, 496, 512, 560, 620, 640, 766, 868, 896, 992, 1024, 1085, 1120, 1240, 1280, 1532, 1736, 1792, 1915, 1984, 2048, 2170, 2240, 2480, 2560, 2681, 3064, 3472, 3584, 3830, 3968, 4340, 4480, 4960, 5120, 5362, 6128, 6944, 7168, 7660, 7936, 8680, 8960, 9920, 10240, 10724, 11873, 12256, 13405, 13888, 14336, 15320, 15872, 17360, 17920, 19840, 21448, 23746, 24512, 26810, 27776, 30640, 31744, 34720, 35840, 39680, 42896, 47492, 49024, 53620, 55552, 59365, 61280, 63488, 69440, 71680, 79360, 83111, 85792, 94984, 98048, 107240, 111104, 118730, 122560, 138880, 158720, 166222, 171584, 189968, 196096, 214480, 222208, 237460, 245120, 277760, 317440, 332444, 343168, 379936, 392192, 415555, 428960, 444416, 474920, 490240, 555520, 664888, 686336, 759872, 784384, 831110, 857920, 949840, 980480, 1111040, 1329776, 1372672, 1519744, 1662220, 1715840, 1899680, 1960960, 2222080, 2659552, 2745344, 3039488, 3324440, 3431680, 3799360, 3921920, 5319104, 5490688, 6078976, 6648880, 6863360, 7598720, 10638208, 12157952, 13297760, 13726720, 15197440, 21276416, 24315904, 26595520, 27453440, 30394880, 42552832, 53191040, 60789760, 85105664, 106382080, 121579520, 170211328, 212764160, 425528320, 851056640]

約数ペア:

[(1, 851056640), (2, 425528320), (4, 212764160), (5, 170211328), (7, 121579520), (8, 106382080), (10, 85105664), (14, 60789760), (16, 53191040), (20, 42552832), (28, 30394880), (31, 27453440), (32, 26595520), (35, 24315904), (40, 21276416), (56, 15197440), (62, 13726720), (64, 13297760), (70, 12157952), (80, 10638208), (112, 7598720), (124, 6863360), (128, 6648880), (140, 6078976), (155, 5490688), (160, 5319104), (217, 3921920), (224, 3799360), (248, 3431680), (256, 3324440), (280, 3039488), (310, 2745344), (320, 2659552), (383, 2222080), (434, 1960960), (448, 1899680), (496, 1715840), (512, 1662220), (560, 1519744), (620, 1372672), (640, 1329776), (766, 1111040), (868, 980480), (896, 949840), (992, 857920), (1024, 831110), (1085, 784384), (1120, 759872), (1240, 686336), (1280, 664888), (1532, 555520), (1736, 490240), (1792, 474920), (1915, 444416), (1984, 428960), (2048, 415555), (2170, 392192), (2240, 379936), (2480, 343168), (2560, 332444), (2681, 317440), (3064, 277760), (3472, 245120), (3584, 237460), (3830, 222208), (3968, 214480), (4340, 196096), (4480, 189968), (4960, 171584), (5120, 166222), (5362, 158720), (6128, 138880), (6944, 122560), (7168, 118730), (7660, 111104), (7936, 107240), (8680, 98048), (8960, 94984), (9920, 85792), (10240, 83111), (10724, 79360), (11873, 71680), (12256, 69440), (13405, 63488), (13888, 61280), (14336, 59365), (15320, 55552), (15872, 53620), (17360, 49024), (17920, 47492), (19840, 42896), (21448, 39680), (23746, 35840), (24512, 34720), (26810, 31744), (27776, 30640)]