215660172

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{317}}^1$

素因数の和:440

約数の個数: 144

約数和(自身を含む): 639485280

約数和(自身を除く): 423825108

約数列:

[1, 2, 3, 4, 6, 7, 12, 13, 14, 21, 26, 28, 39, 42, 49, 52, 78, 84, 89, 91, 98, 147, 156, 178, 182, 196, 267, 273, 294, 317, 356, 364, 534, 546, 588, 623, 634, 637, 951, 1068, 1092, 1157, 1246, 1268, 1274, 1869, 1902, 1911, 2219, 2314, 2492, 2548, 3471, 3738, 3804, 3822, 4121, 4361, 4438, 4628, 6657, 6942, 7476, 7644, 8099, 8242, 8722, 8876, 12363, 13083, 13314, 13884, 15533, 16198, 16484, 17444, 24297, 24726, 26166, 26628, 28213, 28847, 31066, 32396, 46599, 48594, 49452, 52332, 56426, 56693, 57694, 62132, 84639, 86541, 93198, 97188, 112852, 113386, 115388, 169278, 170079, 173082, 186396, 197491, 201929, 226772, 338556, 340158, 346164, 366769, 394982, 403858, 592473, 605787, 680316, 733538, 789964, 807716, 1100307, 1184946, 1211574, 1382437, 1467076, 2200614, 2369892, 2423148, 2567383, 2764874, 4147311, 4401228, 5134766, 5529748, 7702149, 8294622, 10269532, 15404298, 16589244, 17971681, 30808596, 35943362, 53915043, 71886724, 107830086, 215660172]

約数ペア:

[(1, 215660172), (2, 107830086), (3, 71886724), (4, 53915043), (6, 35943362), (7, 30808596), (12, 17971681), (13, 16589244), (14, 15404298), (21, 10269532), (26, 8294622), (28, 7702149), (39, 5529748), (42, 5134766), (49, 4401228), (52, 4147311), (78, 2764874), (84, 2567383), (89, 2423148), (91, 2369892), (98, 2200614), (147, 1467076), (156, 1382437), (178, 1211574), (182, 1184946), (196, 1100307), (267, 807716), (273, 789964), (294, 733538), (317, 680316), (356, 605787), (364, 592473), (534, 403858), (546, 394982), (588, 366769), (623, 346164), (634, 340158), (637, 338556), (951, 226772), (1068, 201929), (1092, 197491), (1157, 186396), (1246, 173082), (1268, 170079), (1274, 169278), (1869, 115388), (1902, 113386), (1911, 112852), (2219, 97188), (2314, 93198), (2492, 86541), (2548, 84639), (3471, 62132), (3738, 57694), (3804, 56693), (3822, 56426), (4121, 52332), (4361, 49452), (4438, 48594), (4628, 46599), (6657, 32396), (6942, 31066), (7476, 28847), (7644, 28213), (8099, 26628), (8242, 26166), (8722, 24726), (8876, 24297), (12363, 17444), (13083, 16484), (13314, 16198), (13884, 15533)]