30728775

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{313}}^1$

素因数の和:361

約数の個数: 96

約数和(自身を含む): 67281408

約数和(自身を除く): 36552633

約数列:

[1, 3, 5, 7, 11, 15, 17, 21, 25, 33, 35, 51, 55, 75, 77, 85, 105, 119, 165, 175, 187, 231, 255, 275, 313, 357, 385, 425, 525, 561, 595, 825, 935, 939, 1155, 1275, 1309, 1565, 1785, 1925, 2191, 2805, 2975, 3443, 3927, 4675, 4695, 5321, 5775, 6545, 6573, 7825, 8925, 10329, 10955, 14025, 15963, 17215, 19635, 23475, 24101, 26605, 32725, 32865, 37247, 51645, 54775, 58531, 72303, 79815, 86075, 98175, 111741, 120505, 133025, 164325, 175593, 186235, 258225, 292655, 361515, 399075, 409717, 558705, 602525, 877965, 931175, 1229151, 1463275, 1807575, 2048585, 2793525, 4389825, 6145755, 10242925, 30728775]

約数ペア:

[(1, 30728775), (3, 10242925), (5, 6145755), (7, 4389825), (11, 2793525), (15, 2048585), (17, 1807575), (21, 1463275), (25, 1229151), (33, 931175), (35, 877965), (51, 602525), (55, 558705), (75, 409717), (77, 399075), (85, 361515), (105, 292655), (119, 258225), (165, 186235), (175, 175593), (187, 164325), (231, 133025), (255, 120505), (275, 111741), (313, 98175), (357, 86075), (385, 79815), (425, 72303), (525, 58531), (561, 54775), (595, 51645), (825, 37247), (935, 32865), (939, 32725), (1155, 26605), (1275, 24101), (1309, 23475), (1565, 19635), (1785, 17215), (1925, 15963), (2191, 14025), (2805, 10955), (2975, 10329), (3443, 8925), (3927, 7825), (4675, 6573), (4695, 6545), (5321, 5775)]