1285767780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{197}}^1$

素因数の和:291

約数の個数: 288

約数和(自身を含む): 4247147520

約数和(自身を除く): 2961379740

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 29, 30, 31, 33, 44, 55, 58, 60, 62, 66, 87, 93, 110, 116, 121, 124, 132, 145, 155, 165, 174, 186, 197, 220, 242, 290, 310, 319, 330, 341, 348, 363, 372, 394, 435, 465, 484, 580, 591, 605, 620, 638, 660, 682, 726, 788, 870, 899, 930, 957, 985, 1023, 1182, 1210, 1276, 1364, 1452, 1595, 1705, 1740, 1798, 1815, 1860, 1914, 1970, 2046, 2167, 2364, 2420, 2697, 2955, 3190, 3410, 3509, 3596, 3630, 3751, 3828, 3940, 4092, 4334, 4495, 4785, 5115, 5394, 5713, 5910, 6107, 6380, 6501, 6820, 7018, 7260, 7502, 8668, 8990, 9570, 9889, 10230, 10527, 10788, 10835, 11253, 11426, 11820, 12214, 13002, 13485, 14036, 15004, 17139, 17545, 17980, 18321, 18755, 19140, 19778, 20460, 21054, 21670, 22506, 22852, 23837, 24428, 26004, 26970, 28565, 29667, 30535, 32505, 34278, 35090, 36642, 37510, 39556, 42108, 43340, 45012, 47674, 49445, 52635, 53940, 56265, 57130, 59334, 61070, 62843, 65010, 67177, 68556, 70180, 71511, 73284, 75020, 85695, 91605, 95348, 98890, 105270, 108779, 112530, 114260, 118668, 119185, 122140, 125686, 130020, 134354, 143022, 148335, 171390, 177103, 183210, 188529, 197780, 201531, 210540, 217558, 225060, 238370, 251372, 268708, 286044, 296670, 314215, 326337, 335885, 342780, 354206, 357555, 366420, 377058, 403062, 435116, 476740, 531309, 543895, 593340, 628430, 652674, 671770, 691273, 708412, 715110, 738947, 754116, 806124, 885515, 942645, 1007655, 1062618, 1087790, 1256860, 1305348, 1343540, 1382546, 1430220, 1477894, 1631685, 1771030, 1885290, 1948133, 2015310, 2073819, 2125236, 2175580, 2216841, 2656545, 2765092, 2955788, 3263370, 3456365, 3542060, 3694735, 3770580, 3896266, 4030620, 4147638, 4433682, 5313090, 5844399, 6526740, 6912730, 7389470, 7792532, 8295276, 8867364, 9740665, 10369095, 10626180, 11084205, 11688798, 13825460, 14778940, 19481330, 20738190, 21429463, 22168410, 23377596, 29221995, 38962660, 41476380, 42858926, 44336820, 58443990, 64288389, 85717852, 107147315, 116887980, 128576778, 214294630, 257153556, 321441945, 428589260, 642883890, 1285767780]

約数ペア:

[(1, 1285767780), (2, 642883890), (3, 428589260), (4, 321441945), (5, 257153556), (6, 214294630), (10, 128576778), (11, 116887980), (12, 107147315), (15, 85717852), (20, 64288389), (22, 58443990), (29, 44336820), (30, 42858926), (31, 41476380), (33, 38962660), (44, 29221995), (55, 23377596), (58, 22168410), (60, 21429463), (62, 20738190), (66, 19481330), (87, 14778940), (93, 13825460), (110, 11688798), (116, 11084205), (121, 10626180), (124, 10369095), (132, 9740665), (145, 8867364), (155, 8295276), (165, 7792532), (174, 7389470), (186, 6912730), (197, 6526740), (220, 5844399), (242, 5313090), (290, 4433682), (310, 4147638), (319, 4030620), (330, 3896266), (341, 3770580), (348, 3694735), (363, 3542060), (372, 3456365), (394, 3263370), (435, 2955788), (465, 2765092), (484, 2656545), (580, 2216841), (591, 2175580), (605, 2125236), (620, 2073819), (638, 2015310), (660, 1948133), (682, 1885290), (726, 1771030), (788, 1631685), (870, 1477894), (899, 1430220), (930, 1382546), (957, 1343540), (985, 1305348), (1023, 1256860), (1182, 1087790), (1210, 1062618), (1276, 1007655), (1364, 942645), (1452, 885515), (1595, 806124), (1705, 754116), (1740, 738947), (1798, 715110), (1815, 708412), (1860, 691273), (1914, 671770), (1970, 652674), (2046, 628430), (2167, 593340), (2364, 543895), (2420, 531309), (2697, 476740), (2955, 435116), (3190, 403062), (3410, 377058), (3509, 366420), (3596, 357555), (3630, 354206), (3751, 342780), (3828, 335885), (3940, 326337), (4092, 314215), (4334, 296670), (4495, 286044), (4785, 268708), (5115, 251372), (5394, 238370), (5713, 225060), (5910, 217558), (6107, 210540), (6380, 201531), (6501, 197780), (6820, 188529), (7018, 183210), (7260, 177103), (7502, 171390), (8668, 148335), (8990, 143022), (9570, 134354), (9889, 130020), (10230, 125686), (10527, 122140), (10788, 119185), (10835, 118668), (11253, 114260), (11426, 112530), (11820, 108779), (12214, 105270), (13002, 98890), (13485, 95348), (14036, 91605), (15004, 85695), (17139, 75020), (17545, 73284), (17980, 71511), (18321, 70180), (18755, 68556), (19140, 67177), (19778, 65010), (20460, 62843), (21054, 61070), (21670, 59334), (22506, 57130), (22852, 56265), (23837, 53940), (24428, 52635), (26004, 49445), (26970, 47674), (28565, 45012), (29667, 43340), (30535, 42108), (32505, 39556), (34278, 37510), (35090, 36642)]