72499089920

素因数分解:

$2^9\times 5^1\times {\mathrm{31}}^1\times {\mathrm{653}}^1\times {\mathrm{1399}}^1$

素因数の和:2106

約数の個数: 160

約数和(自身を含む): 179838489600

約数和(自身を除く): 107339399680

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 155, 160, 248, 256, 310, 320, 496, 512, 620, 640, 653, 992, 1240, 1280, 1306, 1399, 1984, 2480, 2560, 2612, 2798, 3265, 3968, 4960, 5224, 5596, 6530, 6995, 7936, 9920, 10448, 11192, 13060, 13990, 15872, 19840, 20243, 20896, 22384, 26120, 27980, 39680, 40486, 41792, 43369, 44768, 52240, 55960, 79360, 80972, 83584, 86738, 89536, 101215, 104480, 111920, 161944, 167168, 173476, 179072, 202430, 208960, 216845, 223840, 323888, 334336, 346952, 358144, 404860, 417920, 433690, 447680, 647776, 693904, 716288, 809720, 835840, 867380, 895360, 913547, 1295552, 1387808, 1619440, 1671680, 1734760, 1790720, 1827094, 2591104, 2775616, 3238880, 3469520, 3581440, 3654188, 4567735, 5182208, 5551232, 6477760, 6939040, 7308376, 9135470, 10364416, 11102464, 12955520, 13878080, 14616752, 18270940, 22204928, 25911040, 27756160, 28319957, 29233504, 36541880, 51822080, 55512320, 56639914, 58467008, 73083760, 111024640, 113279828, 116934016, 141599785, 146167520, 226559656, 233868032, 283199570, 292335040, 453119312, 467736064, 566399140, 584670080, 906238624, 1132798280, 1169340160, 1812477248, 2265596560, 2338680320, 3624954496, 4531193120, 7249908992, 9062386240, 14499817984, 18124772480, 36249544960, 72499089920]

約数ペア:

[(1, 72499089920), (2, 36249544960), (4, 18124772480), (5, 14499817984), (8, 9062386240), (10, 7249908992), (16, 4531193120), (20, 3624954496), (31, 2338680320), (32, 2265596560), (40, 1812477248), (62, 1169340160), (64, 1132798280), (80, 906238624), (124, 584670080), (128, 566399140), (155, 467736064), (160, 453119312), (248, 292335040), (256, 283199570), (310, 233868032), (320, 226559656), (496, 146167520), (512, 141599785), (620, 116934016), (640, 113279828), (653, 111024640), (992, 73083760), (1240, 58467008), (1280, 56639914), (1306, 55512320), (1399, 51822080), (1984, 36541880), (2480, 29233504), (2560, 28319957), (2612, 27756160), (2798, 25911040), (3265, 22204928), (3968, 18270940), (4960, 14616752), (5224, 13878080), (5596, 12955520), (6530, 11102464), (6995, 10364416), (7936, 9135470), (9920, 7308376), (10448, 6939040), (11192, 6477760), (13060, 5551232), (13990, 5182208), (15872, 4567735), (19840, 3654188), (20243, 3581440), (20896, 3469520), (22384, 3238880), (26120, 2775616), (27980, 2591104), (39680, 1827094), (40486, 1790720), (41792, 1734760), (43369, 1671680), (44768, 1619440), (52240, 1387808), (55960, 1295552), (79360, 913547), (80972, 895360), (83584, 867380), (86738, 835840), (89536, 809720), (101215, 716288), (104480, 693904), (111920, 647776), (161944, 447680), (167168, 433690), (173476, 417920), (179072, 404860), (202430, 358144), (208960, 346952), (216845, 334336), (223840, 323888)]