1380865920

素因数分解:

$2^7\times 3^1\times 5^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{809}}^1$

素因数の和:965

約数の個数: 256

約数和(自身を含む): 5076172800

約数和(自身を除く): 3695306880

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 64, 70, 80, 84, 96, 105, 112, 120, 127, 128, 140, 160, 168, 192, 210, 224, 240, 254, 280, 320, 336, 381, 384, 420, 448, 480, 508, 560, 635, 640, 672, 762, 809, 840, 889, 896, 960, 1016, 1120, 1270, 1344, 1524, 1618, 1680, 1778, 1905, 1920, 2032, 2240, 2427, 2540, 2667, 2688, 3048, 3236, 3360, 3556, 3810, 4045, 4064, 4445, 4480, 4854, 5080, 5334, 5663, 6096, 6472, 6720, 7112, 7620, 8090, 8128, 8890, 9708, 10160, 10668, 11326, 12135, 12192, 12944, 13335, 13440, 14224, 15240, 16180, 16256, 16989, 17780, 19416, 20320, 21336, 22652, 24270, 24384, 25888, 26670, 28315, 28448, 30480, 32360, 33978, 35560, 38832, 40640, 42672, 45304, 48540, 48768, 51776, 53340, 56630, 56896, 60960, 64720, 67956, 71120, 77664, 81280, 84945, 85344, 90608, 97080, 102743, 103552, 106680, 113260, 113792, 121920, 129440, 135912, 142240, 155328, 169890, 170688, 181216, 194160, 205486, 213360, 226520, 243840, 258880, 271824, 284480, 308229, 310656, 339780, 341376, 362432, 388320, 410972, 426720, 453040, 513715, 517760, 543648, 568960, 616458, 679560, 719201, 724864, 776640, 821944, 853440, 906080, 1027430, 1087296, 1232916, 1359120, 1438402, 1541145, 1553280, 1643888, 1706880, 1812160, 2054860, 2157603, 2174592, 2465832, 2718240, 2876804, 3082290, 3287776, 3596005, 3624320, 4109720, 4315206, 4931664, 5436480, 5753608, 6164580, 6575552, 7192010, 8219440, 8630412, 9863328, 10788015, 10872960, 11507216, 12329160, 13151104, 14384020, 16438880, 17260824, 19726656, 21576030, 23014432, 24658320, 28768040, 32877760, 34521648, 39453312, 43152060, 46028864, 49316640, 57536080, 65755520, 69043296, 86304120, 92057728, 98633280, 115072160, 138086592, 172608240, 197266560, 230144320, 276173184, 345216480, 460288640, 690432960, 1380865920]

約数ペア:

[(1, 1380865920), (2, 690432960), (3, 460288640), (4, 345216480), (5, 276173184), (6, 230144320), (7, 197266560), (8, 172608240), (10, 138086592), (12, 115072160), (14, 98633280), (15, 92057728), (16, 86304120), (20, 69043296), (21, 65755520), (24, 57536080), (28, 49316640), (30, 46028864), (32, 43152060), (35, 39453312), (40, 34521648), (42, 32877760), (48, 28768040), (56, 24658320), (60, 23014432), (64, 21576030), (70, 19726656), (80, 17260824), (84, 16438880), (96, 14384020), (105, 13151104), (112, 12329160), (120, 11507216), (127, 10872960), (128, 10788015), (140, 9863328), (160, 8630412), (168, 8219440), (192, 7192010), (210, 6575552), (224, 6164580), (240, 5753608), (254, 5436480), (280, 4931664), (320, 4315206), (336, 4109720), (381, 3624320), (384, 3596005), (420, 3287776), (448, 3082290), (480, 2876804), (508, 2718240), (560, 2465832), (635, 2174592), (640, 2157603), (672, 2054860), (762, 1812160), (809, 1706880), (840, 1643888), (889, 1553280), (896, 1541145), (960, 1438402), (1016, 1359120), (1120, 1232916), (1270, 1087296), (1344, 1027430), (1524, 906080), (1618, 853440), (1680, 821944), (1778, 776640), (1905, 724864), (1920, 719201), (2032, 679560), (2240, 616458), (2427, 568960), (2540, 543648), (2667, 517760), (2688, 513715), (3048, 453040), (3236, 426720), (3360, 410972), (3556, 388320), (3810, 362432), (4045, 341376), (4064, 339780), (4445, 310656), (4480, 308229), (4854, 284480), (5080, 271824), (5334, 258880), (5663, 243840), (6096, 226520), (6472, 213360), (6720, 205486), (7112, 194160), (7620, 181216), (8090, 170688), (8128, 169890), (8890, 155328), (9708, 142240), (10160, 135912), (10668, 129440), (11326, 121920), (12135, 113792), (12192, 113260), (12944, 106680), (13335, 103552), (13440, 102743), (14224, 97080), (15240, 90608), (16180, 85344), (16256, 84945), (16989, 81280), (17780, 77664), (19416, 71120), (20320, 67956), (21336, 64720), (22652, 60960), (24270, 56896), (24384, 56630), (25888, 53340), (26670, 51776), (28315, 48768), (28448, 48540), (30480, 45304), (32360, 42672), (33978, 40640), (35560, 38832)]