1020572080

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{179}}^1$

素因数の和:264

約数の個数: 240

約数和(自身を含む): 2849817600

約数和(自身を除く): 1829245520

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 19, 20, 22, 31, 38, 40, 44, 55, 62, 76, 80, 88, 95, 110, 121, 124, 152, 155, 176, 179, 190, 209, 220, 242, 248, 304, 310, 341, 358, 380, 418, 440, 484, 496, 589, 605, 620, 682, 716, 760, 836, 880, 895, 968, 1045, 1178, 1210, 1240, 1364, 1432, 1520, 1672, 1705, 1790, 1936, 1969, 2090, 2299, 2356, 2420, 2480, 2728, 2864, 2945, 3344, 3401, 3410, 3580, 3751, 3938, 4180, 4598, 4712, 4840, 5456, 5549, 5890, 6479, 6802, 6820, 7160, 7502, 7876, 8360, 9196, 9424, 9680, 9845, 11098, 11495, 11780, 12958, 13604, 13640, 14320, 15004, 15752, 16720, 17005, 18392, 18755, 19690, 21659, 22196, 22990, 23560, 25916, 27208, 27280, 27745, 30008, 31504, 32395, 34010, 36784, 37411, 37510, 39380, 43318, 44392, 45980, 47120, 51832, 54416, 55490, 60016, 61039, 64790, 68020, 71269, 74822, 75020, 78760, 86636, 88784, 91960, 103664, 105431, 108295, 110980, 122078, 129580, 136040, 142538, 149644, 150040, 157520, 173272, 183920, 187055, 210862, 216590, 221960, 244156, 259160, 272080, 285076, 299288, 300080, 305195, 346544, 356345, 374110, 411521, 421724, 433180, 443920, 488312, 518320, 527155, 570152, 598576, 610390, 671429, 712690, 748220, 823042, 843448, 866360, 976624, 1054310, 1140304, 1159741, 1220780, 1342858, 1425380, 1496440, 1646084, 1686896, 1732720, 2057605, 2108620, 2319482, 2441560, 2685716, 2850760, 2992880, 3292168, 3357145, 4115210, 4217240, 4638964, 4883120, 5371432, 5701520, 5798705, 6584336, 6714290, 8230420, 8434480, 9277928, 10742864, 11597410, 12757151, 13428580, 16460840, 18555856, 23194820, 25514302, 26857160, 32921680, 46389640, 51028604, 53714320, 63785755, 92779280, 102057208, 127571510, 204114416, 255143020, 510286040, 1020572080]

約数ペア:

[(1, 1020572080), (2, 510286040), (4, 255143020), (5, 204114416), (8, 127571510), (10, 102057208), (11, 92779280), (16, 63785755), (19, 53714320), (20, 51028604), (22, 46389640), (31, 32921680), (38, 26857160), (40, 25514302), (44, 23194820), (55, 18555856), (62, 16460840), (76, 13428580), (80, 12757151), (88, 11597410), (95, 10742864), (110, 9277928), (121, 8434480), (124, 8230420), (152, 6714290), (155, 6584336), (176, 5798705), (179, 5701520), (190, 5371432), (209, 4883120), (220, 4638964), (242, 4217240), (248, 4115210), (304, 3357145), (310, 3292168), (341, 2992880), (358, 2850760), (380, 2685716), (418, 2441560), (440, 2319482), (484, 2108620), (496, 2057605), (589, 1732720), (605, 1686896), (620, 1646084), (682, 1496440), (716, 1425380), (760, 1342858), (836, 1220780), (880, 1159741), (895, 1140304), (968, 1054310), (1045, 976624), (1178, 866360), (1210, 843448), (1240, 823042), (1364, 748220), (1432, 712690), (1520, 671429), (1672, 610390), (1705, 598576), (1790, 570152), (1936, 527155), (1969, 518320), (2090, 488312), (2299, 443920), (2356, 433180), (2420, 421724), (2480, 411521), (2728, 374110), (2864, 356345), (2945, 346544), (3344, 305195), (3401, 300080), (3410, 299288), (3580, 285076), (3751, 272080), (3938, 259160), (4180, 244156), (4598, 221960), (4712, 216590), (4840, 210862), (5456, 187055), (5549, 183920), (5890, 173272), (6479, 157520), (6802, 150040), (6820, 149644), (7160, 142538), (7502, 136040), (7876, 129580), (8360, 122078), (9196, 110980), (9424, 108295), (9680, 105431), (9845, 103664), (11098, 91960), (11495, 88784), (11780, 86636), (12958, 78760), (13604, 75020), (13640, 74822), (14320, 71269), (15004, 68020), (15752, 64790), (16720, 61039), (17005, 60016), (18392, 55490), (18755, 54416), (19690, 51832), (21659, 47120), (22196, 45980), (22990, 44392), (23560, 43318), (25916, 39380), (27208, 37510), (27280, 37411), (27745, 36784), (30008, 34010), (31504, 32395)]