215515520

素因数分解:

$2^7\times 5^1\times {\mathrm{11}}^4\times {\mathrm{23}}^1$

素因数の和:86

約数の個数: 160

約数和(自身を含む): 591375600

約数和(自身を除く): 375860080

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 23, 32, 40, 44, 46, 55, 64, 80, 88, 92, 110, 115, 121, 128, 160, 176, 184, 220, 230, 242, 253, 320, 352, 368, 440, 460, 484, 506, 605, 640, 704, 736, 880, 920, 968, 1012, 1210, 1265, 1331, 1408, 1472, 1760, 1840, 1936, 2024, 2420, 2530, 2662, 2783, 2944, 3520, 3680, 3872, 4048, 4840, 5060, 5324, 5566, 6655, 7040, 7360, 7744, 8096, 9680, 10120, 10648, 11132, 13310, 13915, 14641, 14720, 15488, 16192, 19360, 20240, 21296, 22264, 26620, 27830, 29282, 30613, 32384, 38720, 40480, 42592, 44528, 53240, 55660, 58564, 61226, 73205, 77440, 80960, 85184, 89056, 106480, 111320, 117128, 122452, 146410, 153065, 161920, 170368, 178112, 212960, 222640, 234256, 244904, 292820, 306130, 336743, 356224, 425920, 445280, 468512, 489808, 585640, 612260, 673486, 851840, 890560, 937024, 979616, 1171280, 1224520, 1346972, 1683715, 1781120, 1874048, 1959232, 2342560, 2449040, 2693944, 3367430, 3918464, 4685120, 4898080, 5387888, 6734860, 9370240, 9796160, 10775776, 13469720, 19592320, 21551552, 26939440, 43103104, 53878880, 107757760, 215515520]

約数ペア:

[(1, 215515520), (2, 107757760), (4, 53878880), (5, 43103104), (8, 26939440), (10, 21551552), (11, 19592320), (16, 13469720), (20, 10775776), (22, 9796160), (23, 9370240), (32, 6734860), (40, 5387888), (44, 4898080), (46, 4685120), (55, 3918464), (64, 3367430), (80, 2693944), (88, 2449040), (92, 2342560), (110, 1959232), (115, 1874048), (121, 1781120), (128, 1683715), (160, 1346972), (176, 1224520), (184, 1171280), (220, 979616), (230, 937024), (242, 890560), (253, 851840), (320, 673486), (352, 612260), (368, 585640), (440, 489808), (460, 468512), (484, 445280), (506, 425920), (605, 356224), (640, 336743), (704, 306130), (736, 292820), (880, 244904), (920, 234256), (968, 222640), (1012, 212960), (1210, 178112), (1265, 170368), (1331, 161920), (1408, 153065), (1472, 146410), (1760, 122452), (1840, 117128), (1936, 111320), (2024, 106480), (2420, 89056), (2530, 85184), (2662, 80960), (2783, 77440), (2944, 73205), (3520, 61226), (3680, 58564), (3872, 55660), (4048, 53240), (4840, 44528), (5060, 42592), (5324, 40480), (5566, 38720), (6655, 32384), (7040, 30613), (7360, 29282), (7744, 27830), (8096, 26620), (9680, 22264), (10120, 21296), (10648, 20240), (11132, 19360), (13310, 16192), (13915, 15488), (14641, 14720)]