87231420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{983}}^1$

素因数の和:1044

約数の個数: 144

約数和(自身を含む): 290122560

約数和(自身を除く): 202891140

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 29, 30, 34, 36, 45, 51, 58, 60, 68, 85, 87, 90, 102, 116, 145, 153, 170, 174, 180, 204, 255, 261, 290, 306, 340, 348, 435, 493, 510, 522, 580, 612, 765, 870, 983, 986, 1020, 1044, 1305, 1479, 1530, 1740, 1966, 1972, 2465, 2610, 2949, 2958, 3060, 3932, 4437, 4915, 4930, 5220, 5898, 5916, 7395, 8847, 8874, 9830, 9860, 11796, 14745, 14790, 16711, 17694, 17748, 19660, 22185, 28507, 29490, 29580, 33422, 35388, 44235, 44370, 50133, 57014, 58980, 66844, 83555, 85521, 88470, 88740, 100266, 114028, 142535, 150399, 167110, 171042, 176940, 200532, 250665, 256563, 285070, 300798, 334220, 342084, 427605, 484619, 501330, 513126, 570140, 601596, 751995, 855210, 969238, 1002660, 1026252, 1282815, 1453857, 1503990, 1710420, 1938476, 2423095, 2565630, 2907714, 3007980, 4361571, 4846190, 5131260, 5815428, 7269285, 8723142, 9692380, 14538570, 17446284, 21807855, 29077140, 43615710, 87231420]

約数ペア:

[(1, 87231420), (2, 43615710), (3, 29077140), (4, 21807855), (5, 17446284), (6, 14538570), (9, 9692380), (10, 8723142), (12, 7269285), (15, 5815428), (17, 5131260), (18, 4846190), (20, 4361571), (29, 3007980), (30, 2907714), (34, 2565630), (36, 2423095), (45, 1938476), (51, 1710420), (58, 1503990), (60, 1453857), (68, 1282815), (85, 1026252), (87, 1002660), (90, 969238), (102, 855210), (116, 751995), (145, 601596), (153, 570140), (170, 513126), (174, 501330), (180, 484619), (204, 427605), (255, 342084), (261, 334220), (290, 300798), (306, 285070), (340, 256563), (348, 250665), (435, 200532), (493, 176940), (510, 171042), (522, 167110), (580, 150399), (612, 142535), (765, 114028), (870, 100266), (983, 88740), (986, 88470), (1020, 85521), (1044, 83555), (1305, 66844), (1479, 58980), (1530, 57014), (1740, 50133), (1966, 44370), (1972, 44235), (2465, 35388), (2610, 33422), (2949, 29580), (2958, 29490), (3060, 28507), (3932, 22185), (4437, 19660), (4915, 17748), (4930, 17694), (5220, 16711), (5898, 14790), (5916, 14745), (7395, 11796), (8847, 9860), (8874, 9830)]