721375824

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{5231}}^1$

素因数の和:5285

約数の個数: 120

約数和(自身を含む): 2137041792

約数和(自身を除く): 1415665968

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 17, 24, 26, 34, 39, 48, 51, 52, 68, 78, 102, 104, 136, 156, 169, 204, 208, 221, 272, 312, 338, 408, 442, 507, 624, 663, 676, 816, 884, 1014, 1326, 1352, 1768, 2028, 2652, 2704, 2873, 3536, 4056, 5231, 5304, 5746, 8112, 8619, 10462, 10608, 11492, 15693, 17238, 20924, 22984, 31386, 34476, 41848, 45968, 62772, 68003, 68952, 83696, 88927, 125544, 136006, 137904, 177854, 204009, 251088, 266781, 272012, 355708, 408018, 533562, 544024, 711416, 816036, 884039, 1067124, 1088048, 1156051, 1422832, 1632072, 1768078, 2134248, 2312102, 2652117, 3264144, 3468153, 3536156, 4268496, 4624204, 5304234, 6936306, 7072312, 9248408, 10608468, 13872612, 14144624, 15028663, 18496816, 21216936, 27745224, 30057326, 42433872, 45085989, 55490448, 60114652, 90171978, 120229304, 180343956, 240458608, 360687912, 721375824]

約数ペア:

[(1, 721375824), (2, 360687912), (3, 240458608), (4, 180343956), (6, 120229304), (8, 90171978), (12, 60114652), (13, 55490448), (16, 45085989), (17, 42433872), (24, 30057326), (26, 27745224), (34, 21216936), (39, 18496816), (48, 15028663), (51, 14144624), (52, 13872612), (68, 10608468), (78, 9248408), (102, 7072312), (104, 6936306), (136, 5304234), (156, 4624204), (169, 4268496), (204, 3536156), (208, 3468153), (221, 3264144), (272, 2652117), (312, 2312102), (338, 2134248), (408, 1768078), (442, 1632072), (507, 1422832), (624, 1156051), (663, 1088048), (676, 1067124), (816, 884039), (884, 816036), (1014, 711416), (1326, 544024), (1352, 533562), (1768, 408018), (2028, 355708), (2652, 272012), (2704, 266781), (2873, 251088), (3536, 204009), (4056, 177854), (5231, 137904), (5304, 136006), (5746, 125544), (8112, 88927), (8619, 83696), (10462, 68952), (10608, 68003), (11492, 62772), (15693, 45968), (17238, 41848), (20924, 34476), (22984, 31386)]