81261252

素因数分解:

$2^2\times 3^3\times {\mathrm{19}}^1\times {\mathrm{199}}^2$

素因数の和:430

約数の個数: 72

約数和(自身を含む): 222885600

約数和(自身を除く): 141624348

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 27, 36, 38, 54, 57, 76, 108, 114, 171, 199, 228, 342, 398, 513, 597, 684, 796, 1026, 1194, 1791, 2052, 2388, 3582, 3781, 5373, 7164, 7562, 10746, 11343, 15124, 21492, 22686, 34029, 39601, 45372, 68058, 79202, 102087, 118803, 136116, 158404, 204174, 237606, 356409, 408348, 475212, 712818, 752419, 1069227, 1425636, 1504838, 2138454, 2257257, 3009676, 4276908, 4514514, 6771771, 9029028, 13543542, 20315313, 27087084, 40630626, 81261252]

約数ペア:

[(1, 81261252), (2, 40630626), (3, 27087084), (4, 20315313), (6, 13543542), (9, 9029028), (12, 6771771), (18, 4514514), (19, 4276908), (27, 3009676), (36, 2257257), (38, 2138454), (54, 1504838), (57, 1425636), (76, 1069227), (108, 752419), (114, 712818), (171, 475212), (199, 408348), (228, 356409), (342, 237606), (398, 204174), (513, 158404), (597, 136116), (684, 118803), (796, 102087), (1026, 79202), (1194, 68058), (1791, 45372), (2052, 39601), (2388, 34029), (3582, 22686), (3781, 21492), (5373, 15124), (7164, 11343), (7562, 10746)]