81507690

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{167}}^1$

素因数の和:237

約数の個数: 192

約数和(自身を含む): 254741760

約数和(自身を除く): 173234070

約数列:

[1, 2, 3, 5, 6, 9, 10, 11, 15, 17, 18, 22, 29, 30, 33, 34, 45, 51, 55, 58, 66, 85, 87, 90, 99, 102, 110, 145, 153, 165, 167, 170, 174, 187, 198, 255, 261, 290, 306, 319, 330, 334, 374, 435, 493, 495, 501, 510, 522, 561, 638, 765, 835, 870, 935, 957, 986, 990, 1002, 1122, 1305, 1479, 1503, 1530, 1595, 1670, 1683, 1837, 1870, 1914, 2465, 2505, 2610, 2805, 2839, 2871, 2958, 3006, 3190, 3366, 3674, 4437, 4785, 4843, 4930, 5010, 5423, 5511, 5610, 5678, 5742, 7395, 7515, 8415, 8517, 8874, 9185, 9570, 9686, 10846, 11022, 14195, 14355, 14529, 14790, 15030, 16269, 16533, 16830, 17034, 18370, 22185, 24215, 25551, 27115, 27555, 28390, 28710, 29058, 31229, 32538, 33066, 42585, 43587, 44370, 48430, 48807, 51102, 53273, 54230, 55110, 62458, 72645, 81345, 82331, 82665, 85170, 87174, 93687, 97614, 106546, 127755, 145290, 156145, 159819, 162690, 164662, 165330, 187374, 217935, 244035, 246993, 255510, 266365, 281061, 312290, 319638, 411655, 435870, 468435, 479457, 488070, 493986, 532730, 562122, 740979, 799095, 823310, 905641, 936870, 958914, 1234965, 1405305, 1481958, 1598190, 1811282, 2397285, 2469930, 2716923, 2810610, 3704895, 4528205, 4794570, 5433846, 7409790, 8150769, 9056410, 13584615, 16301538, 27169230, 40753845, 81507690]

約数ペア:

[(1, 81507690), (2, 40753845), (3, 27169230), (5, 16301538), (6, 13584615), (9, 9056410), (10, 8150769), (11, 7409790), (15, 5433846), (17, 4794570), (18, 4528205), (22, 3704895), (29, 2810610), (30, 2716923), (33, 2469930), (34, 2397285), (45, 1811282), (51, 1598190), (55, 1481958), (58, 1405305), (66, 1234965), (85, 958914), (87, 936870), (90, 905641), (99, 823310), (102, 799095), (110, 740979), (145, 562122), (153, 532730), (165, 493986), (167, 488070), (170, 479457), (174, 468435), (187, 435870), (198, 411655), (255, 319638), (261, 312290), (290, 281061), (306, 266365), (319, 255510), (330, 246993), (334, 244035), (374, 217935), (435, 187374), (493, 165330), (495, 164662), (501, 162690), (510, 159819), (522, 156145), (561, 145290), (638, 127755), (765, 106546), (835, 97614), (870, 93687), (935, 87174), (957, 85170), (986, 82665), (990, 82331), (1002, 81345), (1122, 72645), (1305, 62458), (1479, 55110), (1503, 54230), (1530, 53273), (1595, 51102), (1670, 48807), (1683, 48430), (1837, 44370), (1870, 43587), (1914, 42585), (2465, 33066), (2505, 32538), (2610, 31229), (2805, 29058), (2839, 28710), (2871, 28390), (2958, 27555), (3006, 27115), (3190, 25551), (3366, 24215), (3674, 22185), (4437, 18370), (4785, 17034), (4843, 16830), (4930, 16533), (5010, 16269), (5423, 15030), (5511, 14790), (5610, 14529), (5678, 14355), (5742, 14195), (7395, 11022), (7515, 10846), (8415, 9686), (8517, 9570), (8874, 9185)]