20480474880

素因数分解:

$2^8\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{57349}}^1$

素因数の和:57407

約数の個数: 216

約数和(自身を含む): 73147401600

約数和(自身を除く): 52666926720

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 31, 32, 36, 40, 45, 48, 60, 62, 64, 72, 80, 90, 93, 96, 120, 124, 128, 144, 155, 160, 180, 186, 192, 240, 248, 256, 279, 288, 310, 320, 360, 372, 384, 465, 480, 496, 558, 576, 620, 640, 720, 744, 768, 930, 960, 992, 1116, 1152, 1240, 1280, 1395, 1440, 1488, 1860, 1920, 1984, 2232, 2304, 2480, 2790, 2880, 2976, 3720, 3840, 3968, 4464, 4960, 5580, 5760, 5952, 7440, 7936, 8928, 9920, 11160, 11520, 11904, 14880, 17856, 19840, 22320, 23808, 29760, 35712, 39680, 44640, 57349, 59520, 71424, 89280, 114698, 119040, 172047, 178560, 229396, 286745, 344094, 357120, 458792, 516141, 573490, 688188, 860235, 917584, 1032282, 1146980, 1376376, 1720470, 1777819, 1835168, 2064564, 2293960, 2580705, 2752752, 3440940, 3555638, 3670336, 4129128, 4587920, 5161410, 5333457, 5505504, 6881880, 7111276, 7340672, 8258256, 8889095, 9175840, 10322820, 10666914, 11011008, 13763760, 14222552, 14681344, 16000371, 16516512, 17778190, 18351680, 20645640, 21333828, 22022016, 26667285, 27527520, 28445104, 32000742, 33033024, 35556380, 36703360, 41291280, 42667656, 44044032, 53334570, 55055040, 56890208, 64001484, 66066048, 71112760, 73406720, 80001855, 82582560, 85335312, 106669140, 110110080, 113780416, 128002968, 132132096, 142225520, 160003710, 165165120, 170670624, 213338280, 220220160, 227560832, 256005936, 284451040, 320007420, 330330240, 341341248, 426676560, 455121664, 512011872, 568902080, 640014840, 660660480, 682682496, 853353120, 1024023744, 1137804160, 1280029680, 1365364992, 1706706240, 2048047488, 2275608320, 2560059360, 3413412480, 4096094976, 5120118720, 6826824960, 10240237440, 20480474880]

約数ペア:

[(1, 20480474880), (2, 10240237440), (3, 6826824960), (4, 5120118720), (5, 4096094976), (6, 3413412480), (8, 2560059360), (9, 2275608320), (10, 2048047488), (12, 1706706240), (15, 1365364992), (16, 1280029680), (18, 1137804160), (20, 1024023744), (24, 853353120), (30, 682682496), (31, 660660480), (32, 640014840), (36, 568902080), (40, 512011872), (45, 455121664), (48, 426676560), (60, 341341248), (62, 330330240), (64, 320007420), (72, 284451040), (80, 256005936), (90, 227560832), (93, 220220160), (96, 213338280), (120, 170670624), (124, 165165120), (128, 160003710), (144, 142225520), (155, 132132096), (160, 128002968), (180, 113780416), (186, 110110080), (192, 106669140), (240, 85335312), (248, 82582560), (256, 80001855), (279, 73406720), (288, 71112760), (310, 66066048), (320, 64001484), (360, 56890208), (372, 55055040), (384, 53334570), (465, 44044032), (480, 42667656), (496, 41291280), (558, 36703360), (576, 35556380), (620, 33033024), (640, 32000742), (720, 28445104), (744, 27527520), (768, 26667285), (930, 22022016), (960, 21333828), (992, 20645640), (1116, 18351680), (1152, 17778190), (1240, 16516512), (1280, 16000371), (1395, 14681344), (1440, 14222552), (1488, 13763760), (1860, 11011008), (1920, 10666914), (1984, 10322820), (2232, 9175840), (2304, 8889095), (2480, 8258256), (2790, 7340672), (2880, 7111276), (2976, 6881880), (3720, 5505504), (3840, 5333457), (3968, 5161410), (4464, 4587920), (4960, 4129128), (5580, 3670336), (5760, 3555638), (5952, 3440940), (7440, 2752752), (7936, 2580705), (8928, 2293960), (9920, 2064564), (11160, 1835168), (11520, 1777819), (11904, 1720470), (14880, 1376376), (17856, 1146980), (19840, 1032282), (22320, 917584), (23808, 860235), (29760, 688188), (35712, 573490), (39680, 516141), (44640, 458792), (57349, 357120), (59520, 344094), (71424, 286745), (89280, 229396), (114698, 178560), (119040, 172047)]