1645269760

素因数分解:

$2^8\times 5^1\times {\mathrm{29}}^1\times {\mathrm{127}}^1\times {\mathrm{349}}^1$

素因数の和:526

約数の個数: 144

約数和(自身を含む): 4120704000

約数和(自身を除く): 2475434240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 32, 40, 58, 64, 80, 116, 127, 128, 145, 160, 232, 254, 256, 290, 320, 349, 464, 508, 580, 635, 640, 698, 928, 1016, 1160, 1270, 1280, 1396, 1745, 1856, 2032, 2320, 2540, 2792, 3490, 3683, 3712, 4064, 4640, 5080, 5584, 6980, 7366, 7424, 8128, 9280, 10121, 10160, 11168, 13960, 14732, 16256, 18415, 18560, 20242, 20320, 22336, 27920, 29464, 32512, 36830, 37120, 40484, 40640, 44323, 44672, 50605, 55840, 58928, 73660, 80968, 81280, 88646, 89344, 101210, 111680, 117856, 147320, 161936, 162560, 177292, 202420, 221615, 223360, 235712, 294640, 323872, 354584, 404840, 443230, 446720, 471424, 589280, 647744, 709168, 809680, 886460, 942848, 1178560, 1285367, 1295488, 1418336, 1619360, 1772920, 2357120, 2570734, 2590976, 2836672, 3238720, 3545840, 4714240, 5141468, 5673344, 6426835, 6477440, 7091680, 10282936, 11346688, 12853670, 12954880, 14183360, 20565872, 25707340, 28366720, 41131744, 51414680, 56733440, 82263488, 102829360, 164526976, 205658720, 329053952, 411317440, 822634880, 1645269760]

約数ペア:

[(1, 1645269760), (2, 822634880), (4, 411317440), (5, 329053952), (8, 205658720), (10, 164526976), (16, 102829360), (20, 82263488), (29, 56733440), (32, 51414680), (40, 41131744), (58, 28366720), (64, 25707340), (80, 20565872), (116, 14183360), (127, 12954880), (128, 12853670), (145, 11346688), (160, 10282936), (232, 7091680), (254, 6477440), (256, 6426835), (290, 5673344), (320, 5141468), (349, 4714240), (464, 3545840), (508, 3238720), (580, 2836672), (635, 2590976), (640, 2570734), (698, 2357120), (928, 1772920), (1016, 1619360), (1160, 1418336), (1270, 1295488), (1280, 1285367), (1396, 1178560), (1745, 942848), (1856, 886460), (2032, 809680), (2320, 709168), (2540, 647744), (2792, 589280), (3490, 471424), (3683, 446720), (3712, 443230), (4064, 404840), (4640, 354584), (5080, 323872), (5584, 294640), (6980, 235712), (7366, 223360), (7424, 221615), (8128, 202420), (9280, 177292), (10121, 162560), (10160, 161936), (11168, 147320), (13960, 117856), (14732, 111680), (16256, 101210), (18415, 89344), (18560, 88646), (20242, 81280), (20320, 80968), (22336, 73660), (27920, 58928), (29464, 55840), (32512, 50605), (36830, 44672), (37120, 44323), (40484, 40640)]