28403760

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{53}}^1$

素因数の和:116

約数の個数: 320

約数和(自身を含む): 115706880

約数和(自身を除く): 87303120

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 11, 12, 14, 15, 16, 20, 21, 22, 24, 28, 29, 30, 33, 35, 40, 42, 44, 48, 53, 55, 56, 58, 60, 66, 70, 77, 80, 84, 87, 88, 105, 106, 110, 112, 116, 120, 132, 140, 145, 154, 159, 165, 168, 174, 176, 203, 210, 212, 220, 231, 232, 240, 264, 265, 280, 290, 308, 318, 319, 330, 336, 348, 371, 385, 406, 420, 424, 435, 440, 462, 464, 528, 530, 560, 580, 583, 609, 616, 636, 638, 660, 696, 742, 770, 795, 812, 840, 848, 870, 880, 924, 957, 1015, 1060, 1113, 1155, 1160, 1166, 1218, 1232, 1272, 1276, 1320, 1392, 1484, 1537, 1540, 1590, 1595, 1624, 1680, 1740, 1749, 1848, 1855, 1914, 2030, 2120, 2226, 2233, 2310, 2320, 2332, 2436, 2544, 2552, 2640, 2915, 2968, 3045, 3074, 3080, 3180, 3190, 3248, 3480, 3498, 3696, 3710, 3828, 4060, 4081, 4240, 4452, 4466, 4611, 4620, 4664, 4785, 4872, 5104, 5565, 5830, 5936, 6090, 6148, 6160, 6360, 6380, 6699, 6960, 6996, 7420, 7656, 7685, 8120, 8162, 8745, 8904, 8932, 9222, 9240, 9328, 9570, 9744, 10759, 11130, 11165, 11660, 12180, 12243, 12296, 12720, 12760, 13398, 13992, 14840, 15312, 15370, 16240, 16324, 16907, 17490, 17808, 17864, 18444, 18480, 19140, 20405, 21518, 22260, 22330, 23055, 23320, 24360, 24486, 24592, 25520, 26796, 27984, 29680, 30740, 32277, 32648, 33495, 33814, 34980, 35728, 36888, 38280, 40810, 43036, 44520, 44660, 46110, 46640, 48720, 48972, 50721, 53592, 53795, 61215, 61480, 64554, 65296, 66990, 67628, 69960, 73776, 76560, 81620, 84535, 86072, 89040, 89320, 92220, 97944, 101442, 107184, 107590, 118349, 122430, 122960, 129108, 133980, 135256, 139920, 161385, 163240, 169070, 172144, 178640, 184440, 195888, 202884, 215180, 236698, 244860, 253605, 258216, 267960, 270512, 322770, 326480, 338140, 355047, 368880, 405768, 430360, 473396, 489720, 507210, 516432, 535920, 591745, 645540, 676280, 710094, 811536, 860720, 946792, 979440, 1014420, 1183490, 1291080, 1352560, 1420188, 1775235, 1893584, 2028840, 2366980, 2582160, 2840376, 3550470, 4057680, 4733960, 5680752, 7100940, 9467920, 14201880, 28403760]

約数ペア:

[(1, 28403760), (2, 14201880), (3, 9467920), (4, 7100940), (5, 5680752), (6, 4733960), (7, 4057680), (8, 3550470), (10, 2840376), (11, 2582160), (12, 2366980), (14, 2028840), (15, 1893584), (16, 1775235), (20, 1420188), (21, 1352560), (22, 1291080), (24, 1183490), (28, 1014420), (29, 979440), (30, 946792), (33, 860720), (35, 811536), (40, 710094), (42, 676280), (44, 645540), (48, 591745), (53, 535920), (55, 516432), (56, 507210), (58, 489720), (60, 473396), (66, 430360), (70, 405768), (77, 368880), (80, 355047), (84, 338140), (87, 326480), (88, 322770), (105, 270512), (106, 267960), (110, 258216), (112, 253605), (116, 244860), (120, 236698), (132, 215180), (140, 202884), (145, 195888), (154, 184440), (159, 178640), (165, 172144), (168, 169070), (174, 163240), (176, 161385), (203, 139920), (210, 135256), (212, 133980), (220, 129108), (231, 122960), (232, 122430), (240, 118349), (264, 107590), (265, 107184), (280, 101442), (290, 97944), (308, 92220), (318, 89320), (319, 89040), (330, 86072), (336, 84535), (348, 81620), (371, 76560), (385, 73776), (406, 69960), (420, 67628), (424, 66990), (435, 65296), (440, 64554), (462, 61480), (464, 61215), (528, 53795), (530, 53592), (560, 50721), (580, 48972), (583, 48720), (609, 46640), (616, 46110), (636, 44660), (638, 44520), (660, 43036), (696, 40810), (742, 38280), (770, 36888), (795, 35728), (812, 34980), (840, 33814), (848, 33495), (870, 32648), (880, 32277), (924, 30740), (957, 29680), (1015, 27984), (1060, 26796), (1113, 25520), (1155, 24592), (1160, 24486), (1166, 24360), (1218, 23320), (1232, 23055), (1272, 22330), (1276, 22260), (1320, 21518), (1392, 20405), (1484, 19140), (1537, 18480), (1540, 18444), (1590, 17864), (1595, 17808), (1624, 17490), (1680, 16907), (1740, 16324), (1749, 16240), (1848, 15370), (1855, 15312), (1914, 14840), (2030, 13992), (2120, 13398), (2226, 12760), (2233, 12720), (2310, 12296), (2320, 12243), (2332, 12180), (2436, 11660), (2544, 11165), (2552, 11130), (2640, 10759), (2915, 9744), (2968, 9570), (3045, 9328), (3074, 9240), (3080, 9222), (3180, 8932), (3190, 8904), (3248, 8745), (3480, 8162), (3498, 8120), (3696, 7685), (3710, 7656), (3828, 7420), (4060, 6996), (4081, 6960), (4240, 6699), (4452, 6380), (4466, 6360), (4611, 6160), (4620, 6148), (4664, 6090), (4785, 5936), (4872, 5830), (5104, 5565)]