164927840

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{1217}}^1$

素因数の和:1261

約数の個数: 144

約数和(自身を含む): 489869856

約数和(自身を除く): 324942016

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 32, 35, 40, 44, 55, 56, 70, 77, 80, 88, 110, 112, 121, 140, 154, 160, 176, 220, 224, 242, 280, 308, 352, 385, 440, 484, 560, 605, 616, 770, 847, 880, 968, 1120, 1210, 1217, 1232, 1540, 1694, 1760, 1936, 2420, 2434, 2464, 3080, 3388, 3872, 4235, 4840, 4868, 6085, 6160, 6776, 8470, 8519, 9680, 9736, 12170, 12320, 13387, 13552, 16940, 17038, 19360, 19472, 24340, 26774, 27104, 33880, 34076, 38944, 42595, 48680, 53548, 66935, 67760, 68152, 85190, 93709, 97360, 107096, 133870, 135520, 136304, 147257, 170380, 187418, 194720, 214192, 267740, 272608, 294514, 340760, 374836, 428384, 468545, 535480, 589028, 681520, 736285, 749672, 937090, 1030799, 1070960, 1178056, 1363040, 1472570, 1499344, 1874180, 2061598, 2141920, 2356112, 2945140, 2998688, 3748360, 4123196, 4712224, 5153995, 5890280, 7496720, 8246392, 10307990, 11780560, 14993440, 16492784, 20615980, 23561120, 32985568, 41231960, 82463920, 164927840]

約数ペア:

[(1, 164927840), (2, 82463920), (4, 41231960), (5, 32985568), (7, 23561120), (8, 20615980), (10, 16492784), (11, 14993440), (14, 11780560), (16, 10307990), (20, 8246392), (22, 7496720), (28, 5890280), (32, 5153995), (35, 4712224), (40, 4123196), (44, 3748360), (55, 2998688), (56, 2945140), (70, 2356112), (77, 2141920), (80, 2061598), (88, 1874180), (110, 1499344), (112, 1472570), (121, 1363040), (140, 1178056), (154, 1070960), (160, 1030799), (176, 937090), (220, 749672), (224, 736285), (242, 681520), (280, 589028), (308, 535480), (352, 468545), (385, 428384), (440, 374836), (484, 340760), (560, 294514), (605, 272608), (616, 267740), (770, 214192), (847, 194720), (880, 187418), (968, 170380), (1120, 147257), (1210, 136304), (1217, 135520), (1232, 133870), (1540, 107096), (1694, 97360), (1760, 93709), (1936, 85190), (2420, 68152), (2434, 67760), (2464, 66935), (3080, 53548), (3388, 48680), (3872, 42595), (4235, 38944), (4840, 34076), (4868, 33880), (6085, 27104), (6160, 26774), (6776, 24340), (8470, 19472), (8519, 19360), (9680, 17038), (9736, 16940), (12170, 13552), (12320, 13387)]