28160280

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{179}}^1$

素因数の和:238

約数の個数: 192

約数和(自身を含む): 101088000

約数和(自身を除く): 72927720

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 19, 20, 23, 24, 30, 36, 38, 40, 45, 46, 57, 60, 69, 72, 76, 90, 92, 95, 114, 115, 120, 138, 152, 171, 179, 180, 184, 190, 207, 228, 230, 276, 285, 342, 345, 358, 360, 380, 414, 437, 456, 460, 537, 552, 570, 684, 690, 716, 760, 828, 855, 874, 895, 920, 1035, 1074, 1140, 1311, 1368, 1380, 1432, 1611, 1656, 1710, 1748, 1790, 2070, 2148, 2185, 2280, 2622, 2685, 2760, 3222, 3401, 3420, 3496, 3580, 3933, 4117, 4140, 4296, 4370, 5244, 5370, 6444, 6555, 6802, 6840, 7160, 7866, 8055, 8234, 8280, 8740, 10203, 10488, 10740, 12351, 12888, 13110, 13604, 15732, 16110, 16468, 17005, 17480, 19665, 20406, 20585, 21480, 24702, 26220, 27208, 30609, 31464, 32220, 32936, 34010, 37053, 39330, 40812, 41170, 49404, 51015, 52440, 61218, 61755, 64440, 68020, 74106, 78223, 78660, 81624, 82340, 98808, 102030, 122436, 123510, 136040, 148212, 153045, 156446, 157320, 164680, 185265, 204060, 234669, 244872, 247020, 296424, 306090, 312892, 370530, 391115, 408120, 469338, 494040, 612180, 625784, 704007, 741060, 782230, 938676, 1173345, 1224360, 1408014, 1482120, 1564460, 1877352, 2346690, 2816028, 3128920, 3520035, 4693380, 5632056, 7040070, 9386760, 14080140, 28160280]

約数ペア:

[(1, 28160280), (2, 14080140), (3, 9386760), (4, 7040070), (5, 5632056), (6, 4693380), (8, 3520035), (9, 3128920), (10, 2816028), (12, 2346690), (15, 1877352), (18, 1564460), (19, 1482120), (20, 1408014), (23, 1224360), (24, 1173345), (30, 938676), (36, 782230), (38, 741060), (40, 704007), (45, 625784), (46, 612180), (57, 494040), (60, 469338), (69, 408120), (72, 391115), (76, 370530), (90, 312892), (92, 306090), (95, 296424), (114, 247020), (115, 244872), (120, 234669), (138, 204060), (152, 185265), (171, 164680), (179, 157320), (180, 156446), (184, 153045), (190, 148212), (207, 136040), (228, 123510), (230, 122436), (276, 102030), (285, 98808), (342, 82340), (345, 81624), (358, 78660), (360, 78223), (380, 74106), (414, 68020), (437, 64440), (456, 61755), (460, 61218), (537, 52440), (552, 51015), (570, 49404), (684, 41170), (690, 40812), (716, 39330), (760, 37053), (828, 34010), (855, 32936), (874, 32220), (895, 31464), (920, 30609), (1035, 27208), (1074, 26220), (1140, 24702), (1311, 21480), (1368, 20585), (1380, 20406), (1432, 19665), (1611, 17480), (1656, 17005), (1710, 16468), (1748, 16110), (1790, 15732), (2070, 13604), (2148, 13110), (2185, 12888), (2280, 12351), (2622, 10740), (2685, 10488), (2760, 10203), (3222, 8740), (3401, 8280), (3420, 8234), (3496, 8055), (3580, 7866), (3933, 7160), (4117, 6840), (4140, 6802), (4296, 6555), (4370, 6444), (5244, 5370)]