72871722

素因数分解:

$2^1\times 3^2\times 7^3\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1$

素因数の和:106

約数の個数: 192

約数和(自身を含む): 213408000

約数和(自身を除く): 140536278

約数列:

[1, 2, 3, 6, 7, 9, 11, 14, 18, 21, 22, 29, 33, 37, 42, 49, 58, 63, 66, 74, 77, 87, 98, 99, 111, 126, 147, 154, 174, 198, 203, 222, 231, 259, 261, 294, 319, 333, 343, 406, 407, 441, 462, 518, 522, 539, 609, 638, 666, 686, 693, 777, 814, 882, 957, 1029, 1073, 1078, 1218, 1221, 1386, 1421, 1554, 1617, 1813, 1827, 1914, 2058, 2146, 2233, 2331, 2442, 2842, 2849, 2871, 3087, 3219, 3234, 3626, 3654, 3663, 3773, 4263, 4466, 4662, 4851, 5439, 5698, 5742, 6174, 6438, 6699, 7326, 7511, 7546, 8526, 8547, 9657, 9702, 9947, 10878, 11319, 11803, 12691, 12789, 13398, 15022, 15631, 16317, 17094, 19314, 19894, 19943, 20097, 22533, 22638, 23606, 25382, 25578, 25641, 29841, 31262, 32634, 33957, 35409, 38073, 39886, 40194, 45066, 46893, 51282, 52577, 59682, 59829, 67599, 67914, 70818, 76146, 82621, 89523, 93786, 105154, 106227, 109417, 114219, 119658, 135198, 139601, 140679, 157731, 165242, 179046, 179487, 212454, 218834, 228438, 247863, 279202, 281358, 315462, 328251, 358974, 368039, 418803, 473193, 495726, 578347, 656502, 736078, 743589, 837606, 946386, 984753, 1104117, 1156694, 1256409, 1487178, 1735041, 1969506, 2208234, 2512818, 3312351, 3470082, 4048429, 5205123, 6624702, 8096858, 10410246, 12145287, 24290574, 36435861, 72871722]

約数ペア:

[(1, 72871722), (2, 36435861), (3, 24290574), (6, 12145287), (7, 10410246), (9, 8096858), (11, 6624702), (14, 5205123), (18, 4048429), (21, 3470082), (22, 3312351), (29, 2512818), (33, 2208234), (37, 1969506), (42, 1735041), (49, 1487178), (58, 1256409), (63, 1156694), (66, 1104117), (74, 984753), (77, 946386), (87, 837606), (98, 743589), (99, 736078), (111, 656502), (126, 578347), (147, 495726), (154, 473193), (174, 418803), (198, 368039), (203, 358974), (222, 328251), (231, 315462), (259, 281358), (261, 279202), (294, 247863), (319, 228438), (333, 218834), (343, 212454), (406, 179487), (407, 179046), (441, 165242), (462, 157731), (518, 140679), (522, 139601), (539, 135198), (609, 119658), (638, 114219), (666, 109417), (686, 106227), (693, 105154), (777, 93786), (814, 89523), (882, 82621), (957, 76146), (1029, 70818), (1073, 67914), (1078, 67599), (1218, 59829), (1221, 59682), (1386, 52577), (1421, 51282), (1554, 46893), (1617, 45066), (1813, 40194), (1827, 39886), (1914, 38073), (2058, 35409), (2146, 33957), (2233, 32634), (2331, 31262), (2442, 29841), (2842, 25641), (2849, 25578), (2871, 25382), (3087, 23606), (3219, 22638), (3234, 22533), (3626, 20097), (3654, 19943), (3663, 19894), (3773, 19314), (4263, 17094), (4466, 16317), (4662, 15631), (4851, 15022), (5439, 13398), (5698, 12789), (5742, 12691), (6174, 11803), (6438, 11319), (6699, 10878), (7326, 9947), (7511, 9702), (7546, 9657), (8526, 8547)]