1920724575

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{89}}^1\times {\mathrm{101}}^1$

素因数の和:258

約数の個数: 192

約数和(自身を含む): 4152591360

約数和(自身を除く): 2231866785

約数列:

[1, 3, 5, 7, 11, 15, 21, 25, 33, 35, 37, 55, 75, 77, 89, 101, 105, 111, 165, 175, 185, 231, 259, 267, 275, 303, 385, 407, 445, 505, 525, 555, 623, 707, 777, 825, 925, 979, 1111, 1155, 1221, 1295, 1335, 1515, 1869, 1925, 2035, 2121, 2225, 2525, 2775, 2849, 2937, 3115, 3293, 3333, 3535, 3737, 3885, 4895, 5555, 5775, 6105, 6475, 6675, 6853, 7575, 7777, 8547, 8989, 9345, 9879, 10175, 10605, 11211, 14245, 14685, 15575, 16465, 16665, 17675, 18685, 19425, 20559, 23051, 23331, 24475, 26159, 26967, 27775, 30525, 34265, 36223, 38885, 41107, 42735, 44945, 46725, 49395, 53025, 56055, 62923, 69153, 71225, 73425, 78477, 82325, 83325, 93425, 98879, 102795, 108669, 115255, 116655, 123321, 130795, 134835, 171325, 181115, 188769, 194425, 205535, 213675, 224725, 246975, 253561, 280275, 287749, 296637, 314615, 332593, 345765, 392385, 494395, 513975, 543345, 576275, 583275, 616605, 653975, 674175, 692153, 760683, 863247, 905575, 943845, 997779, 1027675, 1267805, 1438745, 1483185, 1573075, 1662965, 1728825, 1961925, 2076459, 2328151, 2471975, 2716725, 3083025, 3460765, 3658523, 3803415, 4316235, 4719225, 4988895, 6339025, 6984453, 7193725, 7415925, 8314825, 10382295, 10975569, 11640755, 17303825, 18292615, 19017075, 21581175, 24944475, 25609661, 34922265, 51911475, 54877845, 58203775, 76828983, 91463075, 128048305, 174611325, 274389225, 384144915, 640241525, 1920724575]

約数ペア:

[(1, 1920724575), (3, 640241525), (5, 384144915), (7, 274389225), (11, 174611325), (15, 128048305), (21, 91463075), (25, 76828983), (33, 58203775), (35, 54877845), (37, 51911475), (55, 34922265), (75, 25609661), (77, 24944475), (89, 21581175), (101, 19017075), (105, 18292615), (111, 17303825), (165, 11640755), (175, 10975569), (185, 10382295), (231, 8314825), (259, 7415925), (267, 7193725), (275, 6984453), (303, 6339025), (385, 4988895), (407, 4719225), (445, 4316235), (505, 3803415), (525, 3658523), (555, 3460765), (623, 3083025), (707, 2716725), (777, 2471975), (825, 2328151), (925, 2076459), (979, 1961925), (1111, 1728825), (1155, 1662965), (1221, 1573075), (1295, 1483185), (1335, 1438745), (1515, 1267805), (1869, 1027675), (1925, 997779), (2035, 943845), (2121, 905575), (2225, 863247), (2525, 760683), (2775, 692153), (2849, 674175), (2937, 653975), (3115, 616605), (3293, 583275), (3333, 576275), (3535, 543345), (3737, 513975), (3885, 494395), (4895, 392385), (5555, 345765), (5775, 332593), (6105, 314615), (6475, 296637), (6675, 287749), (6853, 280275), (7575, 253561), (7777, 246975), (8547, 224725), (8989, 213675), (9345, 205535), (9879, 194425), (10175, 188769), (10605, 181115), (11211, 171325), (14245, 134835), (14685, 130795), (15575, 123321), (16465, 116655), (16665, 115255), (17675, 108669), (18685, 102795), (19425, 98879), (20559, 93425), (23051, 83325), (23331, 82325), (24475, 78477), (26159, 73425), (26967, 71225), (27775, 69153), (30525, 62923), (34265, 56055), (36223, 53025), (38885, 49395), (41107, 46725), (42735, 44945)]