80491788

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{293}}^1\times {\mathrm{587}}^1$

素因数の和:903

約数の個数: 72

約数和(自身を含む): 220238928

約数和(自身を除く): 139747140

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 156, 234, 293, 468, 586, 587, 879, 1172, 1174, 1758, 1761, 2348, 2637, 3516, 3522, 3809, 5274, 5283, 7044, 7618, 7631, 10548, 10566, 11427, 15236, 15262, 21132, 22854, 22893, 30524, 34281, 45708, 45786, 68562, 68679, 91572, 137124, 137358, 171991, 274716, 343982, 515973, 687964, 1031946, 1547919, 2063892, 2235883, 3095838, 4471766, 6191676, 6707649, 8943532, 13415298, 20122947, 26830596, 40245894, 80491788]

約数ペア:

[(1, 80491788), (2, 40245894), (3, 26830596), (4, 20122947), (6, 13415298), (9, 8943532), (12, 6707649), (13, 6191676), (18, 4471766), (26, 3095838), (36, 2235883), (39, 2063892), (52, 1547919), (78, 1031946), (117, 687964), (156, 515973), (234, 343982), (293, 274716), (468, 171991), (586, 137358), (587, 137124), (879, 91572), (1172, 68679), (1174, 68562), (1758, 45786), (1761, 45708), (2348, 34281), (2637, 30524), (3516, 22893), (3522, 22854), (3809, 21132), (5274, 15262), (5283, 15236), (7044, 11427), (7618, 10566), (7631, 10548)]