655227160

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{137}}^1$

素因数の和:234

約数の個数: 256

約数和(自身を含む): 1907712000

約数和(自身を除く): 1252484840

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 19, 20, 28, 29, 31, 35, 38, 40, 56, 58, 62, 70, 76, 95, 116, 124, 133, 137, 140, 145, 152, 155, 190, 203, 217, 232, 248, 266, 274, 280, 290, 310, 380, 406, 434, 532, 548, 551, 580, 589, 620, 665, 685, 760, 812, 868, 899, 959, 1015, 1064, 1085, 1096, 1102, 1160, 1178, 1240, 1330, 1370, 1624, 1736, 1798, 1918, 2030, 2170, 2204, 2356, 2603, 2660, 2740, 2755, 2945, 3596, 3836, 3857, 3973, 4060, 4123, 4247, 4340, 4408, 4495, 4712, 4795, 5206, 5320, 5480, 5510, 5890, 6293, 7192, 7672, 7714, 7946, 8120, 8246, 8494, 8680, 8990, 9590, 10412, 11020, 11780, 12586, 13015, 15428, 15892, 16492, 16988, 17081, 17980, 18221, 19180, 19285, 19865, 20615, 20824, 21235, 22040, 23560, 25172, 26030, 27811, 29729, 30856, 31465, 31784, 32984, 33976, 34162, 35960, 36442, 38360, 38570, 39730, 41230, 42470, 50344, 52060, 55622, 59458, 62930, 68324, 72884, 75487, 77140, 79460, 80693, 82460, 84940, 85405, 91105, 104120, 111244, 118916, 119567, 123163, 125860, 136648, 139055, 145768, 148645, 150974, 154280, 158920, 161386, 164920, 169880, 170810, 182210, 222488, 237832, 239134, 246326, 251720, 278110, 297290, 301948, 322772, 341620, 364420, 377435, 403465, 478268, 492652, 528409, 556220, 564851, 594580, 597835, 603896, 615815, 645544, 683240, 728840, 754870, 806930, 862141, 956536, 985304, 1056818, 1112440, 1129702, 1189160, 1195670, 1231630, 1509740, 1613860, 1724282, 2113636, 2259404, 2340097, 2391340, 2463260, 2642045, 2824255, 3019480, 3227720, 3448564, 4227272, 4310705, 4518808, 4680194, 4782680, 4926520, 5284090, 5648510, 6897128, 8621410, 9360388, 10568180, 11297020, 11700485, 16380679, 17242820, 18720776, 21136360, 22594040, 23400970, 32761358, 34485640, 46801940, 65522716, 81903395, 93603880, 131045432, 163806790, 327613580, 655227160]

約数ペア:

[(1, 655227160), (2, 327613580), (4, 163806790), (5, 131045432), (7, 93603880), (8, 81903395), (10, 65522716), (14, 46801940), (19, 34485640), (20, 32761358), (28, 23400970), (29, 22594040), (31, 21136360), (35, 18720776), (38, 17242820), (40, 16380679), (56, 11700485), (58, 11297020), (62, 10568180), (70, 9360388), (76, 8621410), (95, 6897128), (116, 5648510), (124, 5284090), (133, 4926520), (137, 4782680), (140, 4680194), (145, 4518808), (152, 4310705), (155, 4227272), (190, 3448564), (203, 3227720), (217, 3019480), (232, 2824255), (248, 2642045), (266, 2463260), (274, 2391340), (280, 2340097), (290, 2259404), (310, 2113636), (380, 1724282), (406, 1613860), (434, 1509740), (532, 1231630), (548, 1195670), (551, 1189160), (580, 1129702), (589, 1112440), (620, 1056818), (665, 985304), (685, 956536), (760, 862141), (812, 806930), (868, 754870), (899, 728840), (959, 683240), (1015, 645544), (1064, 615815), (1085, 603896), (1096, 597835), (1102, 594580), (1160, 564851), (1178, 556220), (1240, 528409), (1330, 492652), (1370, 478268), (1624, 403465), (1736, 377435), (1798, 364420), (1918, 341620), (2030, 322772), (2170, 301948), (2204, 297290), (2356, 278110), (2603, 251720), (2660, 246326), (2740, 239134), (2755, 237832), (2945, 222488), (3596, 182210), (3836, 170810), (3857, 169880), (3973, 164920), (4060, 161386), (4123, 158920), (4247, 154280), (4340, 150974), (4408, 148645), (4495, 145768), (4712, 139055), (4795, 136648), (5206, 125860), (5320, 123163), (5480, 119567), (5510, 118916), (5890, 111244), (6293, 104120), (7192, 91105), (7672, 85405), (7714, 84940), (7946, 82460), (8120, 80693), (8246, 79460), (8494, 77140), (8680, 75487), (8990, 72884), (9590, 68324), (10412, 62930), (11020, 59458), (11780, 55622), (12586, 52060), (13015, 50344), (15428, 42470), (15892, 41230), (16492, 39730), (16988, 38570), (17081, 38360), (17980, 36442), (18221, 35960), (19180, 34162), (19285, 33976), (19865, 32984), (20615, 31784), (20824, 31465), (21235, 30856), (22040, 29729), (23560, 27811), (25172, 26030)]