20485716480

素因数分解:

$2^9\times 3^7\times 5^1\times {\mathrm{3659}}^1$

素因数の和:3703

約数の個数: 320

約数和(自身を含む): 73685462400

約数和(自身を除く): 53199745920

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 64, 72, 80, 81, 90, 96, 108, 120, 128, 135, 144, 160, 162, 180, 192, 216, 240, 243, 256, 270, 288, 320, 324, 360, 384, 405, 432, 480, 486, 512, 540, 576, 640, 648, 720, 729, 768, 810, 864, 960, 972, 1080, 1152, 1215, 1280, 1296, 1440, 1458, 1536, 1620, 1728, 1920, 1944, 2160, 2187, 2304, 2430, 2560, 2592, 2880, 2916, 3240, 3456, 3645, 3659, 3840, 3888, 4320, 4374, 4608, 4860, 5184, 5760, 5832, 6480, 6912, 7290, 7318, 7680, 7776, 8640, 8748, 9720, 10368, 10935, 10977, 11520, 11664, 12960, 13824, 14580, 14636, 15552, 17280, 17496, 18295, 19440, 20736, 21870, 21954, 23040, 23328, 25920, 29160, 29272, 31104, 32931, 34560, 34992, 36590, 38880, 41472, 43740, 43908, 46656, 51840, 54885, 58320, 58544, 62208, 65862, 69120, 69984, 73180, 77760, 87480, 87816, 93312, 98793, 103680, 109770, 116640, 117088, 124416, 131724, 139968, 146360, 155520, 164655, 174960, 175632, 186624, 197586, 207360, 219540, 233280, 234176, 263448, 279936, 292720, 296379, 311040, 329310, 349920, 351264, 373248, 395172, 439080, 466560, 468352, 493965, 526896, 559872, 585440, 592758, 622080, 658620, 699840, 702528, 790344, 878160, 889137, 933120, 936704, 987930, 1053792, 1119744, 1170880, 1185516, 1317240, 1399680, 1405056, 1481895, 1580688, 1756320, 1778274, 1866240, 1873408, 1975860, 2107584, 2341760, 2371032, 2634480, 2667411, 2799360, 2810112, 2963790, 3161376, 3512640, 3556548, 3951720, 4215168, 4445685, 4683520, 4742064, 5268960, 5334822, 5598720, 5620224, 5927580, 6322752, 7025280, 7113096, 7903440, 8002233, 8430336, 8891370, 9367040, 9484128, 10537920, 10669644, 11855160, 12645504, 13337055, 14050560, 14226192, 15806880, 16004466, 16860672, 17782740, 18968256, 21075840, 21339288, 23710320, 25291008, 26674110, 28101120, 28452384, 31613760, 32008932, 35565480, 37936512, 40011165, 42151680, 42678576, 47420640, 50582016, 53348220, 56904768, 63227520, 64017864, 71130960, 75873024, 80022330, 84303360, 85357152, 94841280, 106696440, 113809536, 126455040, 128035728, 142261920, 151746048, 160044660, 170714304, 189682560, 213392880, 227619072, 252910080, 256071456, 284523840, 320089320, 341428608, 379365120, 426785760, 455238144, 512142912, 569047680, 640178640, 682857216, 758730240, 853571520, 1024285824, 1138095360, 1280357280, 1365714432, 1707143040, 2048571648, 2276190720, 2560714560, 3414286080, 4097143296, 5121429120, 6828572160, 10242858240, 20485716480]

約数ペア:

[(1, 20485716480), (2, 10242858240), (3, 6828572160), (4, 5121429120), (5, 4097143296), (6, 3414286080), (8, 2560714560), (9, 2276190720), (10, 2048571648), (12, 1707143040), (15, 1365714432), (16, 1280357280), (18, 1138095360), (20, 1024285824), (24, 853571520), (27, 758730240), (30, 682857216), (32, 640178640), (36, 569047680), (40, 512142912), (45, 455238144), (48, 426785760), (54, 379365120), (60, 341428608), (64, 320089320), (72, 284523840), (80, 256071456), (81, 252910080), (90, 227619072), (96, 213392880), (108, 189682560), (120, 170714304), (128, 160044660), (135, 151746048), (144, 142261920), (160, 128035728), (162, 126455040), (180, 113809536), (192, 106696440), (216, 94841280), (240, 85357152), (243, 84303360), (256, 80022330), (270, 75873024), (288, 71130960), (320, 64017864), (324, 63227520), (360, 56904768), (384, 53348220), (405, 50582016), (432, 47420640), (480, 42678576), (486, 42151680), (512, 40011165), (540, 37936512), (576, 35565480), (640, 32008932), (648, 31613760), (720, 28452384), (729, 28101120), (768, 26674110), (810, 25291008), (864, 23710320), (960, 21339288), (972, 21075840), (1080, 18968256), (1152, 17782740), (1215, 16860672), (1280, 16004466), (1296, 15806880), (1440, 14226192), (1458, 14050560), (1536, 13337055), (1620, 12645504), (1728, 11855160), (1920, 10669644), (1944, 10537920), (2160, 9484128), (2187, 9367040), (2304, 8891370), (2430, 8430336), (2560, 8002233), (2592, 7903440), (2880, 7113096), (2916, 7025280), (3240, 6322752), (3456, 5927580), (3645, 5620224), (3659, 5598720), (3840, 5334822), (3888, 5268960), (4320, 4742064), (4374, 4683520), (4608, 4445685), (4860, 4215168), (5184, 3951720), (5760, 3556548), (5832, 3512640), (6480, 3161376), (6912, 2963790), (7290, 2810112), (7318, 2799360), (7680, 2667411), (7776, 2634480), (8640, 2371032), (8748, 2341760), (9720, 2107584), (10368, 1975860), (10935, 1873408), (10977, 1866240), (11520, 1778274), (11664, 1756320), (12960, 1580688), (13824, 1481895), (14580, 1405056), (14636, 1399680), (15552, 1317240), (17280, 1185516), (17496, 1170880), (18295, 1119744), (19440, 1053792), (20736, 987930), (21870, 936704), (21954, 933120), (23040, 889137), (23328, 878160), (25920, 790344), (29160, 702528), (29272, 699840), (31104, 658620), (32931, 622080), (34560, 592758), (34992, 585440), (36590, 559872), (38880, 526896), (41472, 493965), (43740, 468352), (43908, 466560), (46656, 439080), (51840, 395172), (54885, 373248), (58320, 351264), (58544, 349920), (62208, 329310), (65862, 311040), (69120, 296379), (69984, 292720), (73180, 279936), (77760, 263448), (87480, 234176), (87816, 233280), (93312, 219540), (98793, 207360), (103680, 197586), (109770, 186624), (116640, 175632), (117088, 174960), (124416, 164655), (131724, 155520), (139968, 146360)]