81278352

素因数分解:

$2^4\times 3^2\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{487}}^1$

素因数の和:581

約数の個数: 120

約数和(自身を含む): 243863360

約数和(自身を除く): 162585008

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 19, 24, 36, 38, 48, 57, 61, 72, 76, 114, 122, 144, 152, 171, 183, 228, 244, 304, 342, 366, 456, 487, 488, 549, 684, 732, 912, 974, 976, 1098, 1159, 1368, 1461, 1464, 1948, 2196, 2318, 2736, 2922, 2928, 3477, 3896, 4383, 4392, 4636, 5844, 6954, 7792, 8766, 8784, 9253, 9272, 10431, 11688, 13908, 17532, 18506, 18544, 20862, 23376, 27759, 27816, 29707, 35064, 37012, 41724, 55518, 55632, 59414, 70128, 74024, 83277, 83448, 89121, 111036, 118828, 148048, 166554, 166896, 178242, 222072, 237656, 267363, 333108, 356484, 444144, 475312, 534726, 564433, 666216, 712968, 1069452, 1128866, 1332432, 1425936, 1693299, 2138904, 2257732, 3386598, 4277808, 4515464, 5079897, 6773196, 9030928, 10159794, 13546392, 20319588, 27092784, 40639176, 81278352]

約数ペア:

[(1, 81278352), (2, 40639176), (3, 27092784), (4, 20319588), (6, 13546392), (8, 10159794), (9, 9030928), (12, 6773196), (16, 5079897), (18, 4515464), (19, 4277808), (24, 3386598), (36, 2257732), (38, 2138904), (48, 1693299), (57, 1425936), (61, 1332432), (72, 1128866), (76, 1069452), (114, 712968), (122, 666216), (144, 564433), (152, 534726), (171, 475312), (183, 444144), (228, 356484), (244, 333108), (304, 267363), (342, 237656), (366, 222072), (456, 178242), (487, 166896), (488, 166554), (549, 148048), (684, 118828), (732, 111036), (912, 89121), (974, 83448), (976, 83277), (1098, 74024), (1159, 70128), (1368, 59414), (1461, 55632), (1464, 55518), (1948, 41724), (2196, 37012), (2318, 35064), (2736, 29707), (2922, 27816), (2928, 27759), (3477, 23376), (3896, 20862), (4383, 18544), (4392, 18506), (4636, 17532), (5844, 13908), (6954, 11688), (7792, 10431), (8766, 9272), (8784, 9253)]