256795191040

素因数分解:

$2^8\times 5^1\times {\mathrm{31}}^2\times {\mathrm{191}}^1\times {\mathrm{1093}}^1$

素因数の和:1367

約数の個数: 216

約数和(自身を含む): 639499117824

約数和(自身を除く): 382703926784

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 155, 160, 191, 248, 256, 310, 320, 382, 496, 620, 640, 764, 955, 961, 992, 1093, 1240, 1280, 1528, 1910, 1922, 1984, 2186, 2480, 3056, 3820, 3844, 3968, 4372, 4805, 4960, 5465, 5921, 6112, 7640, 7688, 7936, 8744, 9610, 9920, 10930, 11842, 12224, 15280, 15376, 17488, 19220, 19840, 21860, 23684, 24448, 29605, 30560, 30752, 33883, 34976, 38440, 39680, 43720, 47368, 48896, 59210, 61120, 61504, 67766, 69952, 76880, 87440, 94736, 118420, 122240, 123008, 135532, 139904, 153760, 169415, 174880, 183551, 189472, 208763, 236840, 244480, 246016, 271064, 279808, 307520, 338830, 349760, 367102, 378944, 417526, 473680, 542128, 615040, 677660, 699520, 734204, 757888, 835052, 917755, 947360, 1043815, 1050373, 1084256, 1230080, 1355320, 1399040, 1468408, 1515776, 1670104, 1835510, 1894720, 2087630, 2100746, 2168512, 2710640, 2936816, 3340208, 3671020, 3789440, 4175260, 4201492, 4337024, 5251865, 5421280, 5873632, 6471653, 6680416, 7342040, 7578880, 8350520, 8402984, 8674048, 10503730, 10842560, 11747264, 12943306, 13360832, 14684080, 16701040, 16805968, 21007460, 21685120, 23494528, 25886612, 26721664, 29368160, 32358265, 33402080, 33611936, 42014920, 43370240, 46989056, 51773224, 53443328, 58736320, 64716530, 66804160, 67223872, 84029840, 103546448, 117472640, 129433060, 133608320, 134447744, 168059680, 200621243, 207092896, 234945280, 258866120, 267216640, 268895488, 336119360, 401242486, 414185792, 517732240, 672238720, 802484972, 828371584, 1003106215, 1035464480, 1344477440, 1604969944, 1656743168, 2006212430, 2070928960, 3209939888, 4012424860, 4141857920, 6419879776, 8024849720, 8283715840, 12839759552, 16049699440, 25679519104, 32099398880, 51359038208, 64198797760, 128397595520, 256795191040]

約数ペア:

[(1, 256795191040), (2, 128397595520), (4, 64198797760), (5, 51359038208), (8, 32099398880), (10, 25679519104), (16, 16049699440), (20, 12839759552), (31, 8283715840), (32, 8024849720), (40, 6419879776), (62, 4141857920), (64, 4012424860), (80, 3209939888), (124, 2070928960), (128, 2006212430), (155, 1656743168), (160, 1604969944), (191, 1344477440), (248, 1035464480), (256, 1003106215), (310, 828371584), (320, 802484972), (382, 672238720), (496, 517732240), (620, 414185792), (640, 401242486), (764, 336119360), (955, 268895488), (961, 267216640), (992, 258866120), (1093, 234945280), (1240, 207092896), (1280, 200621243), (1528, 168059680), (1910, 134447744), (1922, 133608320), (1984, 129433060), (2186, 117472640), (2480, 103546448), (3056, 84029840), (3820, 67223872), (3844, 66804160), (3968, 64716530), (4372, 58736320), (4805, 53443328), (4960, 51773224), (5465, 46989056), (5921, 43370240), (6112, 42014920), (7640, 33611936), (7688, 33402080), (7936, 32358265), (8744, 29368160), (9610, 26721664), (9920, 25886612), (10930, 23494528), (11842, 21685120), (12224, 21007460), (15280, 16805968), (15376, 16701040), (17488, 14684080), (19220, 13360832), (19840, 12943306), (21860, 11747264), (23684, 10842560), (24448, 10503730), (29605, 8674048), (30560, 8402984), (30752, 8350520), (33883, 7578880), (34976, 7342040), (38440, 6680416), (39680, 6471653), (43720, 5873632), (47368, 5421280), (48896, 5251865), (59210, 4337024), (61120, 4201492), (61504, 4175260), (67766, 3789440), (69952, 3671020), (76880, 3340208), (87440, 2936816), (94736, 2710640), (118420, 2168512), (122240, 2100746), (123008, 2087630), (135532, 1894720), (139904, 1835510), (153760, 1670104), (169415, 1515776), (174880, 1468408), (183551, 1399040), (189472, 1355320), (208763, 1230080), (236840, 1084256), (244480, 1050373), (246016, 1043815), (271064, 947360), (279808, 917755), (307520, 835052), (338830, 757888), (349760, 734204), (367102, 699520), (378944, 677660), (417526, 615040), (473680, 542128)]