20656472040

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{97}}^1\times {\mathrm{8573}}^1$

素因数の和:8713

約数の個数: 256

約数和(自身を含む): 72597772800

約数和(自身を除く): 51941300760

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 23, 24, 27, 30, 36, 40, 45, 46, 54, 60, 69, 72, 90, 92, 97, 108, 115, 120, 135, 138, 180, 184, 194, 207, 216, 230, 270, 276, 291, 345, 360, 388, 414, 460, 485, 540, 552, 582, 621, 690, 776, 828, 873, 920, 970, 1035, 1080, 1164, 1242, 1380, 1455, 1656, 1746, 1940, 2070, 2231, 2328, 2484, 2619, 2760, 2910, 3105, 3492, 3880, 4140, 4365, 4462, 4968, 5238, 5820, 6210, 6693, 6984, 8280, 8573, 8730, 8924, 10476, 11155, 11640, 12420, 13095, 13386, 17146, 17460, 17848, 20079, 20952, 22310, 24840, 25719, 26190, 26772, 33465, 34292, 34920, 40158, 42865, 44620, 51438, 52380, 53544, 60237, 66930, 68584, 77157, 80316, 85730, 89240, 100395, 102876, 104760, 120474, 128595, 133860, 154314, 160632, 171460, 197179, 200790, 205752, 231471, 240948, 257190, 267720, 301185, 308628, 342920, 385785, 394358, 401580, 462942, 481896, 514380, 591537, 602370, 617256, 771570, 788716, 803160, 831581, 925884, 985895, 1028760, 1157355, 1183074, 1204740, 1543140, 1577432, 1663162, 1774611, 1851768, 1971790, 2314710, 2366148, 2409480, 2494743, 2957685, 3086280, 3326324, 3549222, 3943580, 4157905, 4629420, 4732296, 4989486, 5323833, 5915370, 6652648, 7098444, 7484229, 7887160, 8315810, 8873055, 9258840, 9978972, 10647666, 11830740, 12473715, 14196888, 14968458, 16631620, 17746110, 19126363, 19957944, 21295332, 22452687, 23661480, 24947430, 26619165, 29936916, 33263240, 35492220, 37421145, 38252726, 42590664, 44905374, 49894860, 53238330, 57379089, 59873832, 70984440, 74842290, 76505452, 89810748, 95631815, 99789720, 106476660, 112263435, 114758178, 149684580, 153010904, 172137267, 179621496, 191263630, 212953320, 224526870, 229516356, 286895445, 299369160, 344274534, 382527260, 449053740, 459032712, 516411801, 573790890, 688549068, 765054520, 860686335, 898107480, 1032823602, 1147581780, 1377098136, 1721372670, 2065647204, 2295163560, 2582059005, 3442745340, 4131294408, 5164118010, 6885490680, 10328236020, 20656472040]

約数ペア:

[(1, 20656472040), (2, 10328236020), (3, 6885490680), (4, 5164118010), (5, 4131294408), (6, 3442745340), (8, 2582059005), (9, 2295163560), (10, 2065647204), (12, 1721372670), (15, 1377098136), (18, 1147581780), (20, 1032823602), (23, 898107480), (24, 860686335), (27, 765054520), (30, 688549068), (36, 573790890), (40, 516411801), (45, 459032712), (46, 449053740), (54, 382527260), (60, 344274534), (69, 299369160), (72, 286895445), (90, 229516356), (92, 224526870), (97, 212953320), (108, 191263630), (115, 179621496), (120, 172137267), (135, 153010904), (138, 149684580), (180, 114758178), (184, 112263435), (194, 106476660), (207, 99789720), (216, 95631815), (230, 89810748), (270, 76505452), (276, 74842290), (291, 70984440), (345, 59873832), (360, 57379089), (388, 53238330), (414, 49894860), (460, 44905374), (485, 42590664), (540, 38252726), (552, 37421145), (582, 35492220), (621, 33263240), (690, 29936916), (776, 26619165), (828, 24947430), (873, 23661480), (920, 22452687), (970, 21295332), (1035, 19957944), (1080, 19126363), (1164, 17746110), (1242, 16631620), (1380, 14968458), (1455, 14196888), (1656, 12473715), (1746, 11830740), (1940, 10647666), (2070, 9978972), (2231, 9258840), (2328, 8873055), (2484, 8315810), (2619, 7887160), (2760, 7484229), (2910, 7098444), (3105, 6652648), (3492, 5915370), (3880, 5323833), (4140, 4989486), (4365, 4732296), (4462, 4629420), (4968, 4157905), (5238, 3943580), (5820, 3549222), (6210, 3326324), (6693, 3086280), (6984, 2957685), (8280, 2494743), (8573, 2409480), (8730, 2366148), (8924, 2314710), (10476, 1971790), (11155, 1851768), (11640, 1774611), (12420, 1663162), (13095, 1577432), (13386, 1543140), (17146, 1204740), (17460, 1183074), (17848, 1157355), (20079, 1028760), (20952, 985895), (22310, 925884), (24840, 831581), (25719, 803160), (26190, 788716), (26772, 771570), (33465, 617256), (34292, 602370), (34920, 591537), (40158, 514380), (42865, 481896), (44620, 462942), (51438, 401580), (52380, 394358), (53544, 385785), (60237, 342920), (66930, 308628), (68584, 301185), (77157, 267720), (80316, 257190), (85730, 240948), (89240, 231471), (100395, 205752), (102876, 200790), (104760, 197179), (120474, 171460), (128595, 160632), (133860, 154314)]