28205424

素因数分解:

$2^4\times 3^2\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{61}}^1$

素因数の和:120

約数の個数: 180

約数和(自身を含む): 91448760

約数和(自身を除く): 63243336

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 19, 24, 26, 36, 38, 39, 48, 52, 57, 61, 72, 76, 78, 104, 114, 117, 122, 144, 152, 156, 169, 171, 183, 208, 228, 234, 244, 247, 304, 312, 338, 342, 366, 456, 468, 488, 494, 507, 549, 624, 676, 684, 732, 741, 793, 912, 936, 976, 988, 1014, 1098, 1159, 1352, 1368, 1464, 1482, 1521, 1586, 1872, 1976, 2028, 2196, 2223, 2318, 2379, 2704, 2736, 2928, 2964, 3042, 3172, 3211, 3477, 3952, 4056, 4392, 4446, 4636, 4758, 5928, 6084, 6344, 6422, 6954, 7137, 8112, 8784, 8892, 9272, 9516, 9633, 10309, 10431, 11856, 12168, 12688, 12844, 13908, 14274, 15067, 17784, 18544, 19032, 19266, 20618, 20862, 24336, 25688, 27816, 28548, 28899, 30134, 30927, 35568, 38064, 38532, 41236, 41724, 45201, 51376, 55632, 57096, 57798, 60268, 61854, 77064, 82472, 83448, 90402, 92781, 114192, 115596, 120536, 123708, 135603, 154128, 164944, 166896, 180804, 185562, 195871, 231192, 241072, 247416, 271206, 361608, 371124, 391742, 462384, 494832, 542412, 587613, 723216, 742248, 783484, 1084824, 1175226, 1484496, 1566968, 1762839, 2169648, 2350452, 3133936, 3525678, 4700904, 7051356, 9401808, 14102712, 28205424]

約数ペア:

[(1, 28205424), (2, 14102712), (3, 9401808), (4, 7051356), (6, 4700904), (8, 3525678), (9, 3133936), (12, 2350452), (13, 2169648), (16, 1762839), (18, 1566968), (19, 1484496), (24, 1175226), (26, 1084824), (36, 783484), (38, 742248), (39, 723216), (48, 587613), (52, 542412), (57, 494832), (61, 462384), (72, 391742), (76, 371124), (78, 361608), (104, 271206), (114, 247416), (117, 241072), (122, 231192), (144, 195871), (152, 185562), (156, 180804), (169, 166896), (171, 164944), (183, 154128), (208, 135603), (228, 123708), (234, 120536), (244, 115596), (247, 114192), (304, 92781), (312, 90402), (338, 83448), (342, 82472), (366, 77064), (456, 61854), (468, 60268), (488, 57798), (494, 57096), (507, 55632), (549, 51376), (624, 45201), (676, 41724), (684, 41236), (732, 38532), (741, 38064), (793, 35568), (912, 30927), (936, 30134), (976, 28899), (988, 28548), (1014, 27816), (1098, 25688), (1159, 24336), (1352, 20862), (1368, 20618), (1464, 19266), (1482, 19032), (1521, 18544), (1586, 17784), (1872, 15067), (1976, 14274), (2028, 13908), (2196, 12844), (2223, 12688), (2318, 12168), (2379, 11856), (2704, 10431), (2736, 10309), (2928, 9633), (2964, 9516), (3042, 9272), (3172, 8892), (3211, 8784), (3477, 8112), (3952, 7137), (4056, 6954), (4392, 6422), (4446, 6344), (4636, 6084), (4758, 5928)]