220795960

素因数分解:

$2^3\times 5^1\times 7^4\times {\mathrm{11}}^2\times {\mathrm{19}}^1$

素因数の和:80

約数の個数: 240

約数和(自身を含む): 670559400

約数和(自身を除く): 449763440

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 19, 20, 22, 28, 35, 38, 40, 44, 49, 55, 56, 70, 76, 77, 88, 95, 98, 110, 121, 133, 140, 152, 154, 190, 196, 209, 220, 242, 245, 266, 280, 308, 343, 380, 385, 392, 418, 440, 484, 490, 532, 539, 605, 616, 665, 686, 760, 770, 836, 847, 931, 968, 980, 1045, 1064, 1078, 1210, 1330, 1372, 1463, 1540, 1672, 1694, 1715, 1862, 1960, 2090, 2156, 2299, 2401, 2420, 2660, 2695, 2744, 2926, 3080, 3388, 3430, 3724, 3773, 4180, 4235, 4312, 4598, 4655, 4802, 4840, 5320, 5390, 5852, 5929, 6517, 6776, 6860, 7315, 7448, 7546, 8360, 8470, 9196, 9310, 9604, 10241, 10780, 11495, 11704, 11858, 12005, 13034, 13720, 14630, 15092, 16093, 16940, 18392, 18620, 18865, 19208, 20482, 21560, 22990, 23716, 24010, 26068, 26411, 29260, 29645, 30184, 32186, 32585, 33880, 37240, 37730, 40964, 41503, 45619, 45980, 47432, 48020, 51205, 52136, 52822, 58520, 59290, 64372, 65170, 71687, 75460, 80465, 81928, 83006, 91238, 91960, 96040, 102410, 105644, 112651, 118580, 128744, 130340, 132055, 143374, 150920, 160930, 166012, 182476, 204820, 207515, 211288, 225302, 228095, 237160, 260680, 264110, 286748, 290521, 321860, 332024, 358435, 364952, 409640, 415030, 450604, 456190, 501809, 528220, 563255, 573496, 581042, 643720, 716870, 788557, 830060, 901208, 912380, 1003618, 1056440, 1126510, 1162084, 1433740, 1452605, 1577114, 1660120, 1824760, 2007236, 2253020, 2324168, 2509045, 2867480, 2905210, 3154228, 3942785, 4014472, 4506040, 5018090, 5519899, 5810420, 6308456, 7885570, 10036180, 11039798, 11620840, 15771140, 20072360, 22079596, 27599495, 31542280, 44159192, 55198990, 110397980, 220795960]

約数ペア:

[(1, 220795960), (2, 110397980), (4, 55198990), (5, 44159192), (7, 31542280), (8, 27599495), (10, 22079596), (11, 20072360), (14, 15771140), (19, 11620840), (20, 11039798), (22, 10036180), (28, 7885570), (35, 6308456), (38, 5810420), (40, 5519899), (44, 5018090), (49, 4506040), (55, 4014472), (56, 3942785), (70, 3154228), (76, 2905210), (77, 2867480), (88, 2509045), (95, 2324168), (98, 2253020), (110, 2007236), (121, 1824760), (133, 1660120), (140, 1577114), (152, 1452605), (154, 1433740), (190, 1162084), (196, 1126510), (209, 1056440), (220, 1003618), (242, 912380), (245, 901208), (266, 830060), (280, 788557), (308, 716870), (343, 643720), (380, 581042), (385, 573496), (392, 563255), (418, 528220), (440, 501809), (484, 456190), (490, 450604), (532, 415030), (539, 409640), (605, 364952), (616, 358435), (665, 332024), (686, 321860), (760, 290521), (770, 286748), (836, 264110), (847, 260680), (931, 237160), (968, 228095), (980, 225302), (1045, 211288), (1064, 207515), (1078, 204820), (1210, 182476), (1330, 166012), (1372, 160930), (1463, 150920), (1540, 143374), (1672, 132055), (1694, 130340), (1715, 128744), (1862, 118580), (1960, 112651), (2090, 105644), (2156, 102410), (2299, 96040), (2401, 91960), (2420, 91238), (2660, 83006), (2695, 81928), (2744, 80465), (2926, 75460), (3080, 71687), (3388, 65170), (3430, 64372), (3724, 59290), (3773, 58520), (4180, 52822), (4235, 52136), (4312, 51205), (4598, 48020), (4655, 47432), (4802, 45980), (4840, 45619), (5320, 41503), (5390, 40964), (5852, 37730), (5929, 37240), (6517, 33880), (6776, 32585), (6860, 32186), (7315, 30184), (7448, 29645), (7546, 29260), (8360, 26411), (8470, 26068), (9196, 24010), (9310, 23716), (9604, 22990), (10241, 21560), (10780, 20482), (11495, 19208), (11704, 18865), (11858, 18620), (12005, 18392), (13034, 16940), (13720, 16093), (14630, 15092)]