28020960

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1$

素因数の和:122

約数の個数: 288

約数和(自身を含む): 109680480

約数和(自身を除く): 81659520

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 16, 18, 20, 22, 24, 29, 30, 32, 33, 36, 40, 44, 45, 48, 55, 58, 60, 61, 66, 72, 80, 87, 88, 90, 96, 99, 110, 116, 120, 122, 132, 144, 145, 160, 165, 174, 176, 180, 183, 198, 220, 232, 240, 244, 261, 264, 288, 290, 305, 319, 330, 348, 352, 360, 366, 396, 435, 440, 464, 480, 488, 495, 522, 528, 549, 580, 610, 638, 660, 671, 696, 720, 732, 792, 870, 880, 915, 928, 957, 976, 990, 1044, 1056, 1098, 1160, 1220, 1276, 1305, 1320, 1342, 1392, 1440, 1464, 1584, 1595, 1740, 1760, 1769, 1830, 1914, 1952, 1980, 2013, 2088, 2196, 2320, 2440, 2552, 2610, 2640, 2684, 2745, 2784, 2871, 2928, 3168, 3190, 3355, 3480, 3538, 3660, 3828, 3960, 4026, 4176, 4392, 4640, 4785, 4880, 5104, 5220, 5280, 5307, 5368, 5490, 5742, 5856, 6039, 6380, 6710, 6960, 7076, 7320, 7656, 7920, 8052, 8352, 8784, 8845, 9570, 9760, 10065, 10208, 10440, 10614, 10736, 10980, 11484, 12078, 12760, 13420, 13920, 14152, 14355, 14640, 15312, 15840, 15921, 16104, 17568, 17690, 19140, 19459, 20130, 20880, 21228, 21472, 21960, 22968, 24156, 25520, 26535, 26840, 28304, 28710, 29280, 30195, 30624, 31842, 32208, 35380, 38280, 38918, 40260, 41760, 42456, 43920, 45936, 48312, 51040, 53070, 53680, 56608, 57420, 58377, 60390, 63684, 64416, 70760, 76560, 77836, 79605, 80520, 84912, 87840, 91872, 96624, 97295, 106140, 107360, 114840, 116754, 120780, 127368, 141520, 153120, 155672, 159210, 161040, 169824, 175131, 193248, 194590, 212280, 229680, 233508, 241560, 254736, 283040, 291885, 311344, 318420, 322080, 350262, 389180, 424560, 459360, 467016, 483120, 509472, 583770, 622688, 636840, 700524, 778360, 849120, 875655, 934032, 966240, 1167540, 1273680, 1401048, 1556720, 1751310, 1868064, 2335080, 2547360, 2802096, 3113440, 3502620, 4670160, 5604192, 7005240, 9340320, 14010480, 28020960]

約数ペア:

[(1, 28020960), (2, 14010480), (3, 9340320), (4, 7005240), (5, 5604192), (6, 4670160), (8, 3502620), (9, 3113440), (10, 2802096), (11, 2547360), (12, 2335080), (15, 1868064), (16, 1751310), (18, 1556720), (20, 1401048), (22, 1273680), (24, 1167540), (29, 966240), (30, 934032), (32, 875655), (33, 849120), (36, 778360), (40, 700524), (44, 636840), (45, 622688), (48, 583770), (55, 509472), (58, 483120), (60, 467016), (61, 459360), (66, 424560), (72, 389180), (80, 350262), (87, 322080), (88, 318420), (90, 311344), (96, 291885), (99, 283040), (110, 254736), (116, 241560), (120, 233508), (122, 229680), (132, 212280), (144, 194590), (145, 193248), (160, 175131), (165, 169824), (174, 161040), (176, 159210), (180, 155672), (183, 153120), (198, 141520), (220, 127368), (232, 120780), (240, 116754), (244, 114840), (261, 107360), (264, 106140), (288, 97295), (290, 96624), (305, 91872), (319, 87840), (330, 84912), (348, 80520), (352, 79605), (360, 77836), (366, 76560), (396, 70760), (435, 64416), (440, 63684), (464, 60390), (480, 58377), (488, 57420), (495, 56608), (522, 53680), (528, 53070), (549, 51040), (580, 48312), (610, 45936), (638, 43920), (660, 42456), (671, 41760), (696, 40260), (720, 38918), (732, 38280), (792, 35380), (870, 32208), (880, 31842), (915, 30624), (928, 30195), (957, 29280), (976, 28710), (990, 28304), (1044, 26840), (1056, 26535), (1098, 25520), (1160, 24156), (1220, 22968), (1276, 21960), (1305, 21472), (1320, 21228), (1342, 20880), (1392, 20130), (1440, 19459), (1464, 19140), (1584, 17690), (1595, 17568), (1740, 16104), (1760, 15921), (1769, 15840), (1830, 15312), (1914, 14640), (1952, 14355), (1980, 14152), (2013, 13920), (2088, 13420), (2196, 12760), (2320, 12078), (2440, 11484), (2552, 10980), (2610, 10736), (2640, 10614), (2684, 10440), (2745, 10208), (2784, 10065), (2871, 9760), (2928, 9570), (3168, 8845), (3190, 8784), (3355, 8352), (3480, 8052), (3538, 7920), (3660, 7656), (3828, 7320), (3960, 7076), (4026, 6960), (4176, 6710), (4392, 6380), (4640, 6039), (4785, 5856), (4880, 5742), (5104, 5490), (5220, 5368), (5280, 5307)]