12720888

素因数分解:

$2^3\times 3^4\times {\mathrm{67}}^1\times {\mathrm{293}}^1$

素因数の和:378

約数の個数: 80

約数和(自身を含む): 36285480

約数和(自身を除く): 23564592

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 67, 72, 81, 108, 134, 162, 201, 216, 268, 293, 324, 402, 536, 586, 603, 648, 804, 879, 1172, 1206, 1608, 1758, 1809, 2344, 2412, 2637, 3516, 3618, 4824, 5274, 5427, 7032, 7236, 7911, 10548, 10854, 14472, 15822, 19631, 21096, 21708, 23733, 31644, 39262, 43416, 47466, 58893, 63288, 78524, 94932, 117786, 157048, 176679, 189864, 235572, 353358, 471144, 530037, 706716, 1060074, 1413432, 1590111, 2120148, 3180222, 4240296, 6360444, 12720888]

約数ペア:

[(1, 12720888), (2, 6360444), (3, 4240296), (4, 3180222), (6, 2120148), (8, 1590111), (9, 1413432), (12, 1060074), (18, 706716), (24, 530037), (27, 471144), (36, 353358), (54, 235572), (67, 189864), (72, 176679), (81, 157048), (108, 117786), (134, 94932), (162, 78524), (201, 63288), (216, 58893), (268, 47466), (293, 43416), (324, 39262), (402, 31644), (536, 23733), (586, 21708), (603, 21096), (648, 19631), (804, 15822), (879, 14472), (1172, 10854), (1206, 10548), (1608, 7911), (1758, 7236), (1809, 7032), (2344, 5427), (2412, 5274), (2637, 4824), (3516, 3618)]