220542720

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{727}}^1$

素因数の和:830

約数の個数: 144

約数和(自身を含む): 714255360

約数和(自身を除く): 493712640

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 79, 80, 96, 120, 128, 158, 160, 192, 237, 240, 256, 316, 320, 384, 395, 474, 480, 632, 640, 727, 768, 790, 948, 960, 1185, 1264, 1280, 1454, 1580, 1896, 1920, 2181, 2370, 2528, 2908, 3160, 3635, 3792, 3840, 4362, 4740, 5056, 5816, 6320, 7270, 7584, 8724, 9480, 10112, 10905, 11632, 12640, 14540, 15168, 17448, 18960, 20224, 21810, 23264, 25280, 29080, 30336, 34896, 37920, 43620, 46528, 50560, 57433, 58160, 60672, 69792, 75840, 87240, 93056, 101120, 114866, 116320, 139584, 151680, 172299, 174480, 186112, 229732, 232640, 279168, 287165, 303360, 344598, 348960, 459464, 465280, 558336, 574330, 689196, 697920, 861495, 918928, 930560, 1148660, 1378392, 1395840, 1722990, 1837856, 2297320, 2756784, 2791680, 3445980, 3675712, 4594640, 5513568, 6891960, 7351424, 9189280, 11027136, 13783920, 14702848, 18378560, 22054272, 27567840, 36757120, 44108544, 55135680, 73514240, 110271360, 220542720]

約数ペア:

[(1, 220542720), (2, 110271360), (3, 73514240), (4, 55135680), (5, 44108544), (6, 36757120), (8, 27567840), (10, 22054272), (12, 18378560), (15, 14702848), (16, 13783920), (20, 11027136), (24, 9189280), (30, 7351424), (32, 6891960), (40, 5513568), (48, 4594640), (60, 3675712), (64, 3445980), (79, 2791680), (80, 2756784), (96, 2297320), (120, 1837856), (128, 1722990), (158, 1395840), (160, 1378392), (192, 1148660), (237, 930560), (240, 918928), (256, 861495), (316, 697920), (320, 689196), (384, 574330), (395, 558336), (474, 465280), (480, 459464), (632, 348960), (640, 344598), (727, 303360), (768, 287165), (790, 279168), (948, 232640), (960, 229732), (1185, 186112), (1264, 174480), (1280, 172299), (1454, 151680), (1580, 139584), (1896, 116320), (1920, 114866), (2181, 101120), (2370, 93056), (2528, 87240), (2908, 75840), (3160, 69792), (3635, 60672), (3792, 58160), (3840, 57433), (4362, 50560), (4740, 46528), (5056, 43620), (5816, 37920), (6320, 34896), (7270, 30336), (7584, 29080), (8724, 25280), (9480, 23264), (10112, 21810), (10905, 20224), (11632, 18960), (12640, 17448), (14540, 15168)]