1285692760

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^3\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1$

素因数の和:135

約数の個数: 256

約数和(自身を含む): 3541708800

約数和(自身を除く): 2256016040

約数列:

[1, 2, 4, 5, 8, 10, 11, 19, 20, 22, 31, 38, 40, 41, 44, 55, 62, 76, 82, 88, 95, 110, 121, 124, 152, 155, 164, 190, 205, 209, 220, 242, 248, 310, 328, 341, 380, 410, 418, 440, 451, 484, 589, 605, 620, 682, 760, 779, 820, 836, 902, 968, 1045, 1178, 1210, 1240, 1271, 1331, 1364, 1558, 1640, 1672, 1705, 1804, 2090, 2255, 2299, 2356, 2420, 2542, 2662, 2728, 2945, 3116, 3410, 3608, 3751, 3895, 4180, 4510, 4598, 4712, 4840, 4961, 5084, 5324, 5890, 6232, 6355, 6479, 6655, 6820, 7502, 7790, 8360, 8569, 9020, 9196, 9922, 10168, 10648, 11495, 11780, 12710, 12958, 13310, 13640, 13981, 15004, 15580, 17138, 18040, 18392, 18755, 19844, 22990, 23560, 24149, 24805, 25289, 25420, 25916, 26620, 27962, 30008, 31160, 32395, 34276, 37510, 39688, 41261, 42845, 45980, 48298, 49610, 50578, 50840, 51832, 53240, 54571, 55924, 64790, 68552, 69905, 71269, 75020, 82522, 85690, 91960, 94259, 96596, 99220, 101156, 109142, 111848, 120745, 126445, 129580, 139810, 142538, 150040, 153791, 165044, 171380, 188518, 193192, 198440, 202312, 206305, 218284, 241490, 252890, 259160, 265639, 272855, 279620, 285076, 307582, 330088, 342760, 356345, 377036, 412610, 436568, 471295, 482980, 505780, 531278, 545710, 559240, 570152, 615164, 712690, 754072, 768955, 783959, 825220, 942590, 965960, 1011560, 1036849, 1062556, 1091420, 1230328, 1328195, 1425380, 1537910, 1567918, 1650440, 1691701, 1885180, 2073698, 2125112, 2182840, 2656390, 2850760, 2922029, 3075820, 3135836, 3383402, 3770360, 3919795, 4147396, 5184245, 5312780, 5844058, 6151640, 6271672, 6766804, 7839590, 8294792, 8458505, 10368490, 10625560, 11688116, 13533608, 14610145, 15679180, 16917010, 20736980, 23376232, 29220290, 31358360, 32142319, 33834020, 41473960, 58440580, 64284638, 67668040, 116881160, 128569276, 160711595, 257138552, 321423190, 642846380, 1285692760]

約数ペア:

[(1, 1285692760), (2, 642846380), (4, 321423190), (5, 257138552), (8, 160711595), (10, 128569276), (11, 116881160), (19, 67668040), (20, 64284638), (22, 58440580), (31, 41473960), (38, 33834020), (40, 32142319), (41, 31358360), (44, 29220290), (55, 23376232), (62, 20736980), (76, 16917010), (82, 15679180), (88, 14610145), (95, 13533608), (110, 11688116), (121, 10625560), (124, 10368490), (152, 8458505), (155, 8294792), (164, 7839590), (190, 6766804), (205, 6271672), (209, 6151640), (220, 5844058), (242, 5312780), (248, 5184245), (310, 4147396), (328, 3919795), (341, 3770360), (380, 3383402), (410, 3135836), (418, 3075820), (440, 2922029), (451, 2850760), (484, 2656390), (589, 2182840), (605, 2125112), (620, 2073698), (682, 1885180), (760, 1691701), (779, 1650440), (820, 1567918), (836, 1537910), (902, 1425380), (968, 1328195), (1045, 1230328), (1178, 1091420), (1210, 1062556), (1240, 1036849), (1271, 1011560), (1331, 965960), (1364, 942590), (1558, 825220), (1640, 783959), (1672, 768955), (1705, 754072), (1804, 712690), (2090, 615164), (2255, 570152), (2299, 559240), (2356, 545710), (2420, 531278), (2542, 505780), (2662, 482980), (2728, 471295), (2945, 436568), (3116, 412610), (3410, 377036), (3608, 356345), (3751, 342760), (3895, 330088), (4180, 307582), (4510, 285076), (4598, 279620), (4712, 272855), (4840, 265639), (4961, 259160), (5084, 252890), (5324, 241490), (5890, 218284), (6232, 206305), (6355, 202312), (6479, 198440), (6655, 193192), (6820, 188518), (7502, 171380), (7790, 165044), (8360, 153791), (8569, 150040), (9020, 142538), (9196, 139810), (9922, 129580), (10168, 126445), (10648, 120745), (11495, 111848), (11780, 109142), (12710, 101156), (12958, 99220), (13310, 96596), (13640, 94259), (13981, 91960), (15004, 85690), (15580, 82522), (17138, 75020), (18040, 71269), (18392, 69905), (18755, 68552), (19844, 64790), (22990, 55924), (23560, 54571), (24149, 53240), (24805, 51832), (25289, 50840), (25420, 50578), (25916, 49610), (26620, 48298), (27962, 45980), (30008, 42845), (31160, 41261), (32395, 39688), (34276, 37510)]